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Wildlife of Tanzania
Wildlife of Tanzania
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Plains zebra (Equus quagga) and blue wildebeest (Connochaetes taurinus) observed in the Ngorongoro Crater of the Ngorongoro Conservation Area
The spectacular mass movement of wildebeests in Tanzania as observed in the Serengeti National Park

Tanzania contains some 20 percent of the species of Africa's large mammal population, found across its reserves, conservation areas, marine parks, and 17 national parks, spread over an area of more than 42,000 square kilometres (16,000 sq mi) and forming approximately 38 percent of the country's territory.[1][2] Wildlife resources of Tanzania are described as "without parallel in Africa" and "the prime game viewing country". Serengeti National Park, the country's second largest national park area at 14,763 square kilometres (5,700 sq mi), is located in northern Tanzania and is famous for its extensive migratory herds of wildebeests and zebra while also having the reputation as one of the great natural wonders of the world. The Ngorongoro Conservation Area, established in 1959, is a UNESCO World Heritage Site[3] and inhabited by the Maasai people.[4] Its Ngorongoro Crater is the largest intact caldera in the world.[5][6]

The national parks are also part of the wetlands of Tanzania. The wild animals tend to be closer to the wetlands, particularly the water loving species such as the hippopotamus, waterbuck, common warthog, elephant, crocodile, sitatunga as well as water birds such as flamingoes and ducks.[7]

Background

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The relief map of Tanzania

Since the colonial era, wildlife conservation in Tanzania has been the prerogative of the government. Under this structure, the use of wildlife resources by local communities had always been restrictive, causing increased rural poverty and poaching. In recent years, the Tanzania National Parks Authority (TANAPA) has initiated corrective actions to involve the local community in conservation efforts, which is aimed at contribution to local economies by way of equitable benefits sharing.[8]

Exports of the Nile perch yield US$100 million annually to Tanzania.

The wildlife resources in Tanzania provide an annual income of US$30 million to the national exchequer, and an income of US$9 million as revenue from the leasing companies. Illegal hunting is estimated to be worth US$50 million. In the 1990s, exports of 1.68 million birds, 523,000 reptiles, 12,000 mammals and 148,000 amphibians occurred, in addition to an increase in wildlife related tourism by about 30%. Fishery resources have also contributed richly to the export revenue of the country, with export value of US$130 million reported in 2003, with the export of the Nile perch accounting for a major share of US$100 million.[8]

National parks

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Tanzania’s wildlife, extolled as the "finest safari experiences and wildlife spectacles found anywhere on the planet", has 40 national parks and game reserves.[9] There are 17 national parks covering a total area of 42,235 square kilometres (16,307 sq mi). These parks are as follows: [10]

  1. Arusha National Park (552 square kilometres (213 sq mi))
  2. Gombe Stream National Park (52 square kilometres (20 sq mi))
  3. Jozani Chwaka Bay National Park
  4. Katavi National Park (4,471 square kilometres (1,726 sq mi))
  5. Kilimanjaro National Park (1,668 square kilometres (644 sq mi))
  6. Kitulo National Park (413 square kilometres (159 sq mi))
  7. Mahale Mountains National Park (1,613 square kilometres (623 sq mi))
  8. Lake Manyara National Park (330 square kilometres (130 sq mi))
  9. Mikumi National Park (3,230 square kilometres (1,250 sq mi))
  10. Mkomazi National Park (3,245 square kilometres (1,253 sq mi))
  11. Ruaha National Park (20,226 square kilometres (7,809 sq mi))
  12. Rubondo Island National Park (457 square kilometres (176 sq mi))
  13. Saadani National Park (1,062 square kilometres (410 sq mi))
  14. Saanane Island National Park (2.18 square kilometres (0.84 sq mi))
  15. Serengeti National Park (14,763 square kilometres (5,700 sq mi))
  16. Tarangire National Park (2,850 square kilometres (1,100 sq mi))
  17. Udzungwa Mountains National Park (1,990 square kilometres (770 sq mi)).[2]

Arusha National Park

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A herd of giraffes observed in the Arusha National Park

Arusha National Park located entirely in Arusha Region is spread over an area of 552 square kilometres (213 sq mi).[11] It is within the riverine, lacustrine, and palustrine wetland ecosystem. It encompasses the montane forests and alpine deserts of Mount Meru, Africa's fifth highest mountain at 4,566 metres (14,980 ft).[11] The park also has marshy areas, rolling grassy hills, and wooded savannah.[11] The Ngurdoto Crater,[11] the Momela Lakes,[11] and one of the sources of the Pangani River are within the park.

Wild animals and birds reported in the park include elephant (uncommon), leopard, waterbuck, spotted hyena, giraffe, blue monkey, colobus monkey, turaco, trogon, African buffalo, warthog, klipspringer, and red-hot poker.[11] Water birds are also concentrated in large numbers in the lake areas, particularly flamingos.[11]

The park is near the city of Arusha, and the Kilimanjaro International Airport is 60 kilometres (37 mi) away.[11][6][7][12]

Gombe Stream National Park

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Chimpanzees at Gombe Stream National Park

The second smallest of Tanzania's national parks is Gombe Stream National Park is located in Kigoma District of Kigoma Region, covering an area of only 52 square kilometres (20 sq mi).[13] Its natural topography consists of steep hill slopes, river valleys, and the sandy northern shores of Lake Tanganyika.[13] It is drained by the Gombe River. Access to the park is only through marine vessels[14] from Kigoma.[13]

The celebrated animals in the park are mostly primates, including chimpanzee, beach comber olive baboon, red-tailed monkey, and red colobus monkey. The park is the site of Jane Goodall's ongoing study of chimpanzee behaviour, which started in 1960.[15][16] The study has reported 150 individuals who are familiar with humans.

The park has a rich bird life with 200 reported bird species, including African fish eagle and red-throated twinspot.[13][17][18]

Jozani Chwaka Bay National Park

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Katavi National Park

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The Katavi National Park at dusk

Katavi National Park, having an area of 4,471 square kilometres (1,726 sq mi), is Tanzania’s third largest national park located in Katavi Region .[19] Its geographic setting is in a truncated arm of the East African Rift that terminates in Lake Rukwa.[19] It is an integral part of the riverine and palustrine wetland ecosystem. The Katuma River and associated floodplains, marshy lakes, and brachystegia woodland are part of its habitat.[19] Eland, sable and roan antelopes are found in substantial numbers, and its marshy lakes have Tanzania's densest population of hippopotamus and Nile crocodile.[19] Elephant, lion, spotted hyena, African buffalo, giraffe, zebra, impala, and reedbuck are a common sight during the dry season.[19][7][20]

Kilimanjaro National Park

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The entrance to the Kilimanjaro National Park, a UNESCO world heritage site

As the name implies, Mount Kilimanjaro gives its name to the park located in Kilimanjaro Region. It is the highest mountain in Africa at 5,895 metres (19,341 ft) and is also the tallest free-standing mountain in the world. The park provides a "climatic world tour, from the tropics to the Arctic". Vegetation in the park includes thick Montane forests, mosses and lichen, and giant lobelias. The park, established in 1977, encompasses an area of 1,668 square kilometres (644 sq mi) and is within the riverine and palustrine ecosystem. Resident wild animals include elephant, leopard, African buffalo, the endangered Abbott's duiker, and other small antelopes and primates. There is hardly any game viewing in this park. However, it is popular for mountaineering expeditions to climb the volcanic cones of Kibo, which has several remnant glaciers, and Mawenzi and to witness the Afro-montane moorland habitat. It is one of the most visited parks in Tanzania. The municipality of Moshi is near several of the park entrances and is 128 square kilometres (49 sq mi) east of the larger city of Arusha.[6][7][21][22]

Kitulo National Park

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Moraea callista, a species of iris-like plant found in the Kitulo National Park

Kitulo National Park has an area of 413 square kilometres (159 sq mi) in the Kitulo Plateau – local name 'Bustani ya Mungu' meaning "The Garden of God" – located in northwest Njombe Region. The montane grassland with rich water resources is at an elevation of about 2,600 metres (8,500 ft). It is hemmed between the rugged peaks of the Kipengere, Poroto, and Livingstone Mountains and has volcanic soils, and is drained by the Ruaha River. In view of its rich floral abundance, the park is a gazetted area. Wild animals are few and mostly mountain reedbuck and eland. Bird life is also very widely watched by ornithologists and consists mainly of Denham’s bustard, endangered blue swallow, mountain marsh widow, Njombe cisticola and Kipengere seedeater. Other endemic species of wild life consist of butterflies, chameleons, lizards and frogs. The park’s headquarters is located at Matamba inside the park, which is 100 kilometres (62 mi) from Mbeya town.[23]

Mahale Mountains National Park

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Mahale Mountains National Park, next to the Gombe Stream National Park is set on the shores of the Lake Tanganyika in Uvinza District of Kigoma Region, with a watershed comprising richly forested Mahale Mountains with its peaks as high as 2 kilometres (1.2 mi) above the lake shore. Nkungwe peak (2,460 metres (8,070 ft)) is the park’s largest mountain in the Mahale range which is venerated by the local Tongwe people. Located in a remote and not easily approachable area, the park is spread over an area of 1,613 square kilometres (623 sq mi). Among the wild animals found here, chimpanzees are a star attraction with a reported population of about 800. Other primates found in large numbers are the red colobus, red-tailed and blue monkey. The unpolluted clear water lake, the second deepest lake in Tanzania, has as many as 1,000 fish species.[24]

Lake Manyara National Park

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A giraffe in the Lake Manyara National Park

Lake Manyara National Park, which encompasses an area of 330 square kilometres (130 sq mi) includes 200 square kilometres (77 sq mi) (at high water stage) of Lake Manyara, an alkaline lake, below the 600 metres (2,000 ft) high rift valley; Ernest Hemingway called this lake “the loveliest I had seen in Africa” is located in both in Arusha Region and Manyara Region. The geography of the park is seen formed by the serrated blue volcanic peaks that rise from the extensive Maasai steppes. It lies within the riverine and palustrine wetland ecosystem. Wild animals seen are troops of baboons, blue monkeys, bushbuck, giraffes, tree climbing lions, squadrons of banded mongoose, Kirk's dik-dik and pairs of klipspringer. Elephants, which were nearing extinction in the 1980s due to poaching, have been well conserved now. Bird life of 400 species are recorded in the park and on any given day at least 100 of them could be sighted – large number of pink-hued flamingoes, water birds such as pelicans, cormorants and storks. The entry gate to the park is 126 kilometres (78 mi), west of Arusha from Mto wa Mbu, an ethnic town. The park is also connected by charter or scheduled flights from Arusha via Serengeti and Ngorongoro Crater. Recent activities in the park relate to "canoeing, mountain biking, walking and abseiling" It is located between Lake Victoria and the Arusha-Dodoma Road.[6][7][25]

Mikumi National Park

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A pair of zebras in the Mikumi National Park
A lioness in the Mikumi National Park

Mikumi National Park covers an area of 3,230 square kilometres (1,250 sq mi) (the fourth largest park in the country) in a 75,000 square kilometres (29,000 sq mi) tract of wilderness in Morogoro Region. It borders in the north with the Selous Game Reserve, which is the largest such reserve in Africa. The habitat has the Mkata floodplain, extensive grass plains with the Mkata River flowing through the park and the miombo-covered foothills of the mountains. It lies within the riverine and palustrine wetland ecosystem. Animal life consists of herd of zebras, lions in the grassy vastness, wildebeest, impala, buffalo herds, giraffes, elands, kudu, sable and hippos in water ponds (5 kilometres (3.1 mi) north of the main entrance gate). Antelope, and elephants are also seen. Bird species recorded are 400, which includes lilac-breasted roller, yellow-throated longclaw and bateleur eagle. It is connected by a 283 kilometres (176 mi) road with Dar es Salaam, via Selous Reserve, Ruaha, Udzungwa and Katavi.[7][26]

Mkomazi National Park

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Ruaha National Park

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Superb starlings (Lamprotornis superbus) observed in the Ruaha National Park

Ruaha National Park is Tanzania's largest national park, covering 20,226 square kilometres (7,809 sq mi). It has rugged, semi-arid bush country, typical of central Tanzania located in Iringa Region. The Ruaha River flows through the park and gets flooded during the rainy season, otherwise remaining an ephemeral stream with ponds, sand and rocky river bed and banks. The park includes an extensive riverine and palustrine wetland ecosystem on the Usangu Plain. Open grasslands and acacia savanna abound in the park. There are reportedly 10,000 elephants, zebras, giraffes, impala, waterbuck and other antelopes, cheetahs, striped and spotted hyena, sable and roan antelope sable and roan antelope, greater kudu with corkscrew horns (which is the park’s emblem) in the park. Of the reported 450 bird species, notable ones are the crested barbet (yellow-and-black bird), endemics such as the yellow-collared lovebird and ashy starling. It is located 128 km west of Iringa.[7][27] (p 20-21)

Rubondo Island National Park

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Rubondo Island National Park is an island park with an area of 457 square kilometres (176 sq mi). It is located in Geita Region, 150 kilometres (93 mi) west of Mwanza. It includes nine smaller islands. It is in the lacustrine wetland ecosystem on the shores of the Lake Victoria. Known as a "water wonderland", it is fish breeding ground; tilapia, spotted-necked otters and Nile perch (as heavy as 100 kilograms (220 lb)) are some of the special species.[7][28]

Mammal species abound in this remote and not easily accessible park and consist of indigenous species of hippos, vervet monkeys, genets and mongooses, which coexist with introduced species of chimpanzee, black-and-white colobus, elephant and giraffe, bushbucks, shaggy-coated aquatic sitatunga. Fish eagles are seen near the bay and so also crocodiles.[28]

Saadani National Park

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A baby vervet monkey clings to its mother at Saadani National Park.

Saadani National Park, a game reserve since the 1960s, was declared a national park in 2002, covers an area of 1,062 square kilometres (410 sq mi) including the former Mkwaja ranch area, the Wami River and the Zaraninge forest. It is the only park in East Africa with an Indian Ocean beachfront. It is located and shared between Pangani Districtof Tanga Region and Chalinze District of Pwani Region. It is Tanzania's 13th National Park. Animals are seen basking along the Indian Ocean shores. Before it was declared a national park it was maintained by the World Wide Fund for Nature (WWF) with the objective to preserve the last coastal rainforest in the country. It was also run as a cattle ranch between 1952 and 2000.[29][30] Hunting lodges had also been established on the coastal front of the park, which catered to the celebrities who came here for hunting game and to be away from the busy life in Dare es Salam.[31]

The climate in this sea coast fronted park is hot and humid. Marine and mainland fauna reported in the park are of 30 species of large mammals, reptiles and birds; elephants, black and white colobus monkeys and Roosevelt sable antelope are some of the terrestrial species, while the marine or coastal species noted are many species of fish, green turtles which breed on the beaches, dolphins (pomboo) and humpback whales (nyangumi).[30][31]

Saanane Island National Park

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Serengeti National Park

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Grey crowned crane in Serengeti National Park
Zebras in the Serengeti savanna plains

Serengeti National Park is the oldest and most popular national park which was established in 1951, with an area of 14,763 square kilometres (5,700 sq mi) located entirely in Mara Region. The habitat, bounded by Kenya and bordered by Lake Victoria on the west, is characterized by vast plains, savannah, wooded hills, large termite mounds, rivers, and acacia woodlands. The spectacular wildlife witnessed in the park generally refers to the great wildebeest migration[32] where a million wildebeests[33] chase green lands across the rolling plains of Serengeti in Tanzania and Masai Mara in Kenya. Sometimes they are seen in 40 square kilometres (15 sq mi) long columns migrating across the rivers to the north, over a distance of 1,000 square kilometres (390 sq mi), after spending three weeks of mating and giving birth to 8000 calves daily. This migration and life cycle creation is an annual feature witnessed in the park. This migration is in unison with 200,000 zebra and 300,000 Thomson's gazelle in search of grazing pastures, aptly described as "six million hooves pound the open plains". Other mammals seen here are buffaloes, elephants, giraffe, large number of elands, topis, kongonis, impalas, and Grant's gazelles. The predators inhabiting the park are lions, leopards, jackals, spotted hyenas, rock hyrax and serval cats. Reptiles include agama lizards and crocodiles. Bird species recorded are more than 500, which include ostrich and secretary bird. 100 varieties of dung beetle are also reported.[34]

Tarangire National Park

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Tree-climbing lion (Panthera leo) in Tarangire National Park

Tarangire National Park is the sixth largest national park in Tanzania named after the Tarangire River which flows through the park and is a perennial river that assures water to both humans and animals even during the dry period. The park is located within Manyara Region and It has an area of 2,850 square kilometres (1,100 sq mi) to the south east of Lake Manyara. Mammals in the park are a number of elephants and migratory wildebeest, zebra, buffalo, impala, gazelle, hartebeest and eland. Predators seen are the tree climbing lions and leopards. The most common reptile seen is African pythons climbing the baobab trees. The park has 550 breeding species of birds stated to be the largest number in any park in the world; Kori bustard (heaviest flying bird), the stocking-thighed ostrich (world's largest bird), ground hornbills, yellow-collared lovebird, rufous-tailed weaver and ashy starling which are endemic to savanna habitat are seen in the park. Termite mounds, dwarf mongoose and pairs of red-and-yellow barbets are a common sight in the park. It is accessed by road from the southwest of Arusha over a distance of 18 kilometres (11 mi). Airlinks are also available from airports at Arusha and the Serengeti.[35][36]

Udzungwa Mountains National Park

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Udzungwa Mountains National Park, with an area of 1,990 square kilometres (770 sq mi), is part of the Eastern Arc Mountains (which comprise mountain ranges from the Taita Hills in southern Kenya to the Makambako Gap in south-central Tanzania). Sometimes called an "African Galapagos" for the uniqueness of its wildlife, the park encompasses hills ranging in elevation between 250 metres (820 ft) and the 2,576 metres (8,451 ft) of Lohomero peak, the highest in the park. The park shares border with eastern Njombe Region and Kilombero District. The park's habitat covers tropical rainforest, mountain forest, miombo woodland, grassland and steppe. The park has the distinction of holding 30–40 percent of plants and animal species of Tanzania. More than 400 bird species and 6 primate species are reported from the park. It has the second largest biodiversity of a national park within Africa. It is included in the list of 34 "World Biodiversity Hotspots". It is also listed as one of the 200 WWF Eco regions of global critical importance. Six primate species have been recorded, five of which are endemic. The Udzungwa red colobus and Sanje mangabey are only found in the Udzungwa Mountains National Park; that mangabey was only recognised as a distinct species in 1986.[37][38]

Ngorongoro Conservation Area

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Although it is not a national park, the Ngorongoro Conservation Area (NCA) with an area of 8,292 square kilometres (3,202 sq mi)[39] In Arusha Region was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage Site in 1979.[4] The criteria cited for this recognition include: (1) crucial evidence found within the NCA about human evolution and human-environment dynamics (this criterion added in 2010); (2) the "stunning landscape" of Ngorongoro Crater, the largest unbroken caldera in the world; (3) the NCA's large concentration of wildlife, including 25,000 large animals; and (4) the NCA's variations in climate, landforms and altitude, resulting in several overlapping ecosystems and distinct habitats.[4]

Fauna

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Wildebeest in Mikumi National Park

The faunal diversity of wild life in Tanzania in its national parks and game reserves is also dramatic. There are 310 mammal species (fourth largest in Africa); 960 species of birds (third place in Africa); and many amphibians and reptiles, which are stated to form the fourth largest population in Africa.[8] The endangered fauna species are; the black rhino; Uluguru bushshrikes; hawksbill, green turtles, olive ridley turtle and leatherback turtles; red colobus monkeys; wild dogs; and Pemba flying foxes.[40] However, Lonely Planet also mentions a figure of 430 species of four million animals, and 60,000 insect species, 100 species of snakes and 25 species of reptiles, 1000 species of birds. More details of fauna species as reported by the Museum of Zoology of the University of Michigan, Bucknell University, Avibase data profiles and BirdLife International data profiles are the following. In the East Usambara Mountains, the forests display many rare species, so much so that the fauna found here have been compared to the Galapagos Islands in terms of biological importance.[41]

Mammals
African bush elephant (Loxodonta africana) in Tanzania

Three hundred species of mammals have been reported in Tanzania.[42][43] Some of the species reported are African bush elephant (Loxodonta africana), Burchell's zebra (Equus burchellii), Thomson's gazelle (Eudorcas thomsonii), hartebeest (Alcelaphus buselaphus), woodland dormouse (Graphiurus murinus), kipunji (Rungwecebus kipunji), Thomas's bushbaby (Galago thomasi), Prince Demidoff's bushbaby (Galagoides demidovii), puku (Kobus vardonii), gerenuk (Litocranius walleri), common warthog (Phacochoerus africanus), pygmy scaly-tailed flying squirrel (Idiurus zenkeri), suni (Neotragus moschatus), mbarapi (Hippotragus niger) and North African crested porcupine (Hystrix cristata).

Predators

A few predators species are:[43] lion (Panthera leo), spotted hyena (Crocuta crocuta), black-backed jackal (Canis mesomelas) and serval (Leptailurus serval).

Primates

Some of the primate species reported are:[43] chimpanzee (Pan troglodytes), and baboons (Papio): anubis baboon (Papio anubis), yellow baboon (Papio cynocephalus), and hamadryas baboon (Papio hamadryas).

Birds
Grey crowned crane (Balearica regulorum), a vulnerable species found in wetland-grassland habitats in Tanzania

As of March 2004, according to the Avibase database, the number of bird species in Tanzania was reported as 1112 species (according to BirdLife International it is 1128[44]), 23 endemic species, 35 globally threatened species and 3 introduced species.[45] The conservation status of grey crowned cranes found in wetland-grassland habitats of eastern and southern Africa including Tanzania is listed as vulnerable.[46]

Endemic species

Endemic species are:[45] yellow-collared lovebird (Agapornis personatus), Pemba green pigeon (Treron pembaensis), Pemba scops owl (Otus pembaensis), Usambara eagle-owl (Bubo vosseleri), Beesley's lark (Chersomanes beesleyi), Mrs. Moreau's warbler (Scepomycter winifredae), Usambara hyliota (Hyliota usambarae), Usambara akalat (Sheppardia montana), Iringa akalat (Sheppardia lowei), Rubeho akalat (Sheppardia aurantiithorax), banded sunbird (Anthreptes rubritorques), Moreau's sunbird (Nectarinia moreaui), rufous-winged sunbird (Nectarinia rufipennis), Tanzania seedeater (Serinus melanochrous), rufous-tailed weaver (Histurgops ruficauda), Kilombero weaver (Ploceus burnieri), Tanganyika masked weaver (Ploceus reichardi) and Usambara weaver (Ploceus nicolli).

Introduced species

Introduced species are:[45] rock pigeon (Columba livia) and house crow (Corvus splendens).

Conservation

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A lioness roars in the Ngorongoro Conservation Area, Tanzania.

Poaching and anthropological pressure to meet the huge demand of wildlife meat has been a major problem in Tanzania with reported removal of 160,000 to 200,000 animals annually in the 1990s. The Government of Tanzania, in collaboration with international aid agencies, has made serious efforts to contain this problem through wildlife law enactment and enforcement and finding solutions to the conflict between wildlife conservation and the needs of rural communities dependent on these resources. Anti-poaching operations have been conducted on several occasions and game-viewing tourism has been a success in the easily accessible northern wildlife area of the country. Trophy hunting has also provided some respite to the problem and this has helped in generating revenue, generally in the northern, southern and western wildlife areas.[5]

A February 2020 report on wildlife censuses carried out in October 2018 and November 2018 in the Selous-Mikumi ecosystem indicates that populations of elephants, hippopotamuses, and zebras have increased and that poaching has been brought under control.[47]

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
The wildlife of Tanzania encompasses a diverse assemblage of fauna across ecosystems including savannas, woodlands, wetlands, mountains, and coastal zones, featuring large populations of herbivores, carnivores, and avian species sustained by the country's extensive protected areas covering about one-quarter of its landmass. Tanzania supports approximately 430 mammalian species, including significant numbers of African elephants (around 60,000 individuals), black rhinoceroses (about 200), lions, cheetahs, and giraffes, alongside over 1,100 bird species representing more than 10% of the global total. The Serengeti ecosystem is emblematic, hosting over 2 million ungulates and hosting the annual Great Migration, where recent AI-assisted satellite surveys estimate fewer than 600,000 —substantially revising prior counts exceeding 1 million—along with hundreds of thousands of zebras and gazelles traversing seasonal grasslands in search of water and forage. Conservation measures implemented since the mid-2010s, including intensified anti-poaching patrols and legal crackdowns, have curbed illegal hunting that previously decimated populations of elephants and rhinos, leading to a reported 1,000% surge in black rhino numbers and broader ecosystem stabilization, though ongoing threats from habitat fragmentation due to agricultural expansion and human-elephant conflicts persist. Endemic taxa, such as certain bird species confined to Tanzanian highlands and rift valley lakes, underscore the region's unique evolutionary significance, yet remain vulnerable to anthropogenic pressures.

Geographic and Ecological Foundations

Topography and Climate Drivers

Tanzania's topography features a narrow along the , a broad central plateau with elevations typically ranging from 1,000 to 1,500 meters, and dissected by the system, which includes deep lakes and escarpments. Isolated mountain massifs, such as the Eastern Arc Mountains and volcanic peaks, rise sharply from the plateau, contributing to orographic precipitation and localized microclimates. This elevational gradient, from to over 5,000 meters in highland areas, creates diverse ecological niches that influence and . The of is tropical, modulated by its position near the and proximity to the ocean, with bimodal rainfall patterns driven by the (ITCZ). A long rainy season occurs from March to May, delivering the bulk of annual precipitation, followed by a shorter wet period in to December, while June to October constitutes the main . Annual rainfall varies markedly due to topographic influences, exceeding 1,000 mm in coastal and highland regions but dropping below 500 mm in the central interior, where rain shadows and distance from moisture sources prevail. Temperatures remain warm year-round, averaging 25–30°C in lowlands, but decrease with altitude in montane zones. These topographic and climatic drivers fundamentally shape wildlife habitats by dictating vegetation structure and resource seasonality. Orographic effects on the Eastern Arc and rift escarpments foster montane forests and cloud belts that support endemic species intolerant of lowland , while the expansive plateau savannas, watered by seasonal floods in rift basins, sustain large migratory populations. Spatial variability in , amplified by , generates mosaics—from humid coastal mangroves harboring aquatic to semi-arid grasslands favoring drought-resistant —enhancing overall through niche partitioning. Seasonal shifts trigger phenological responses, such as post-rain flushes that drive herbivore movements and predator-prey dynamics across the landscape.

Major Habitat Types

Tanzania's thrives across a of habitats shaped by its varied topography, rainfall patterns, and geology, including the and ancient cratons. Principal habitat types encompass savannas, woodlands, montane forests, wetlands, and coastal ecosystems, each hosting distinct faunal assemblages adapted to local conditions such as seasonal droughts and floods. These habitats collectively underpin the country's status as a hotspot, with protected areas preserving key examples amid pressures from and human expansion. Savannas dominate northern Tanzania, featuring expansive grasslands dotted with acacia trees and supporting migratory herds of wildebeest, zebra, and gazelles alongside predators like lions and cheetahs. The Serengeti ecosystem exemplifies this type, with short-grass plains transitioning to wooded savanna under bimodal rainfall of 500-1,200 mm annually, fostering nutrient-rich soils that sustain over 1.5 million large herbivores during peak seasons. Acacia savannas, prevalent in the Masai Steppe and extending into game reserves, provide browse for giraffes and antelopes while fire regimes maintain open landscapes essential for visibility-dependent hunting. Miombo woodlands, the most widespread habitat covering approximately 40% of Tanzania's land area alongside other forests, prevail in central and southern regions with trees like Brachystegia and Julbernardia dominating on nutrient-poor, sandy soils. These woodlands receive 800-1,500 mm of rainfall, supporting , buffalo, and antelopes that browse vegetation, while nutrient cycling from leaf litter and activity enhances soil fertility for undergrowth. They form critical corridors linking protected areas, harboring species like the and sustaining human-wildlife interfaces through fruiting trees that attract and birds. Montane forests occur on isolated highlands such as the Eastern Arc Mountains, Kilimanjaro, and the Eastern African montane belt, featuring evergreen broadleaf canopies at elevations above 1,500 meters with high rainfall exceeding 1,500 mm and cooler temperatures. These habitats host endemic vertebrates, including like the Abbot's duiker and over 30 restricted bird species, with epiphytic orchids and ferns contributing to microhabitats that buffer against arid lowlands. Their role as water catchments sustains downstream ecosystems, though fragmentation threatens isolated populations. Wetlands, comprising about 10% of Tanzania's territory including Rift Valley lakes like Tanganyika and Manyara, soda lakes, and riverine swamps, provide perennial water sources amid dry seasons. These alkaline or freshwater systems support hippos, crocodiles, and migratory waterbirds, with phytoplankton blooms fueling fish stocks that underpin piscivorous predators; for instance, Lake Victoria's shallows harbor cichlid diversity exceeding 500 species. Floodplains like those in the Rufiji Delta facilitate nutrient deposition, enhancing adjacent savanna productivity. Coastal habitats along the 1,424 km shoreline include , coral reefs, and lowland forests, with in deltaic zones trapping sediments and protecting against erosion while nurseries for fish and crustaceans. These ecosystems sustain marine mammals like dugongs and seabirds, with coastal forests harboring endemic reptiles and amid seasonal monsoons. decline from harvesting has reduced canopy cover, impacting chains that link terrestrial and marine food webs.

Biodiversity Composition

Floral Diversity

Tanzania's encompasses approximately 10,000 of vascular , with around 1,100 endemics, reflecting the country's diverse topographic and climatic gradients from coastal mangroves to alpine zones. This richness stems from habitats spanning lowland savannas, montane forests, and wetlands, where dominant families include , , and Orchidaceae. The Eastern Arc Mountains represent a key hotspot, harboring over 2,000 plant species with 25-30% endemism, including at least 800 strictly endemic vascular plants, many restricted to ridge-top forests and heaths. These ancient montane forests, shaped by long-term climatic stability, support unique genera like Saintpaulia (African violets) and endemic trees such as Allanblackia stuhlmannii. In contrast, the Somali-Maasai floristic region in northern and central Tanzania features Acacia-Commiphora bushlands and grasslands, with about 40 native Acacia species adapted to semi-arid conditions. Kitulo National Park, dubbed the "Serengeti of Flowers," exemplifies high-altitude diversity, boasting over 350 species, including 45 terrestrial varieties that bloom vibrantly from November to April. woodlands, covering much of the central plateau, are dominated by trees like Brachystegia and Julbernardia, forming extensive dry forests that transition into riverine galleries with and . Mount Kilimanjaro's zones range from montane rainforests with giant heaths (Philippia) to afroalpine moorlands featuring tussock grasses and senecios, underscoring elevational . Coastal and ecosystems add further variety, with and species in tidal zones, while threats like from and impact endemic concentrations, particularly in the Eastern Arc. Overall, Tanzania's floral diversity underpins faunal habitats and contributes to global botanical , with ongoing surveys revealing additional species.

Mammalian Fauna

Tanzania harbors a diverse mammalian comprising approximately 414 across various orders, with 46 endemic to the country, reflecting its varied ecosystems from savannas to montane forests. These include large integral to global conservation efforts, alongside smaller, often forest-dwelling vulnerable to loss. Endemics such as the Udzungwa red colobus monkey (Piliocolobus gordonorum) and Abbott's duiker (Cephalophus sp. nov.) are confined to eastern arc forests, underscoring Tanzania's role in and diversity. Prominent herbivores dominate open landscapes, particularly in northern parks like , where blue wildebeest (Connochaetes taurinus) sustain migratory herds estimated at 1.3 to 1.7 million individuals in traditional counts, though a 2025 AI-satellite analysis proposed a lower figure below 600,000, challenging prior aerial surveys. Accompanying species include over 200,000 plains zebras (Equus quagga) and substantial (Eudorcas thomsonii) populations, fostering trophic cascades that maintain grassland dynamics. African bush elephants (Loxodonta africana) number around 43,000 following poaching declines from over 100,000 in the early 2000s, with recovery evident in surveys like the 2022 count of nearly 20,000 in Ruaha-Rungwa ecosystems alone. Black rhinoceroses (Diceros bicornis), critically endangered, have increased to 263 individuals by 2024 through translocation and protection in sanctuaries like Ngorongoro and Mkomazi. Carnivores thrive due to prey abundance, with African lions (Panthera leo) forming prides in supporting up to 3,000 individuals, alongside leopards (Panthera pardus) and cheetahs (Acinonyx jubatus). Spotted hyenas (Crocuta crocuta) and African wild dogs (Lycaon pictus) exhibit pack behaviors adapted to communal . Tree-climbing lions, a behavioral variant, occur in specific areas like . represent another stronghold, with eastern chimpanzees (Pan troglodytes schweinfurthii) persisting in Gombe Stream (population ~100) and Mahale Mountains National Parks, while (Piliocolobus kirkii) endures on Unguja Island despite habitat pressures. Smaller mammals, including rodents, bats, and insectivores, contribute to understudied diversity, with limited data on species like the East African elephant shrew (Elephantulus rufescens) and various in coastal forests. Conservation challenges persist for threatened taxa, with 45 mammal species listed as vulnerable or worse by IUCN, driven by , human expansion, and shifts. Protected areas safeguard key populations, yet connectivity via corridors remains essential for in fragmented habitats.

Avian and Herpetological Fauna

Tanzania supports 1,103 bird species, placing it thirteenth globally in avian diversity, with habitats ranging from savannas to montane forests driving this richness. Among these, 33 species are endemic, concentrated in nine Endemic Bird Areas, including the Eastern Arc Mountains and Serengeti-Mara ecosystem. Bird populations thrive due to seasonal wetland availability and insect abundance, with migratory species augmenting resident counts during wet seasons. In the Serengeti National Park, over 500 bird species occur, featuring iconic raptors like the (Polemaetus bellicosus) and (Haliaeetus vocifer), which prey on fish and small mammals in riverine and lacustrine environments. Ground-dwelling species such as the secretary bird (Sagittarius serpentarius) and (Ardeotis kori), the world's heaviest flying bird, forage across grasslands for snakes and , respectively. Colorful perching birds, including the (Coracias caudatus) and (Lamprotornis superbus), are common in acacia woodlands, contributing to the park's visual and ecological vibrancy. Tanzania's reptile fauna encompasses 321 species across 26 families, with 90 endemics primarily in coastal and montane regions, reflecting isolation in forest refugia. The (Crocodylus niloticus), Africa's largest predator, inhabits rivers, lakes, and swamps, preying on fish, birds, and mammals; populations exceed 10,000 in alone. Venomous snakes like the (Dendroaspis polylepis) and (Bitis arietans) occur in savannas and forests, with over 100 snake species total, many controlling rodent populations. Chameleons, such as the flap-necked chameleon (Chamaeleo dilepis), and monitor lizards adapt to diverse niches, from arboreal to terrestrial. Amphibian diversity includes approximately 130 species, with over 100 endemics, largely forest-dependent frogs in the Eastern Arc Mountains and Udzungwa highlands. These include tree frogs like the hyper-endemic Nectophrynoides genus, which exhibit adapted to montane streams lacking free-standing water. Wetland species, such as the (Xenopus laevis), occupy aquatic habitats, but many endemics face threats from , underscoring the role of protected forests in their persistence.

Iconic Ecological Processes

The Great Migration

The Great Migration refers to the annual circular movement of large herds of wildebeest (Connochaetes taurinus), accompanied by substantial numbers of plains zebras (Equus quagga), gazelles, and other ungulates, across the Serengeti-Mara ecosystem, predominantly within Tanzania's . Traditional estimates place the wildebeest population at approximately 1.2 to 1.5 million individuals, with around 300,000 zebras participating, forming one of the largest migrations globally, covering roughly 800 to 1,000 kilometers in pursuit of rainfall-driven fresh pastures and water. However, a 2025 AI-assisted satellite survey challenged these figures, estimating fewer than 600,000 wildebeest, suggesting prior counts may have overestimated due to methodological limitations in ground and aerial surveys. The migration follows a predictable, rain-dependent cycle spanning the entire year. Calving peaks from January to March in the southern Serengeti plains near Ndutu, where up to 500,000 calves are born in a concentrated period, enabling rapid synchronized reproduction that overwhelms predators temporarily. Herds then move northwest through the western corridor in April and May, reaching the Grumeti River crossings in June. By July, they arrive in northern and Kenya's , where dramatic river crossings of the occur amid predation, persisting until October. The return southward follows the eastern plains from to , completing the loop as short rains replenish southern grasses. Ecologically, the migration sustains the savanna's productivity through grazing that promotes new grass growth via nutrient recycling from dung and urine, preventing woody encroachment and maintaining biodiversity in the 25,000-square-kilometer ecosystem. It supports a high density of predators, including approximately 3,000 lions, as well as hyenas, cheetahs, and crocodiles, with predation rates highest on calves—up to 50% mortality in the first weeks—exerting strong selective pressure that limits population growth despite high birth rates. Annual drownings during river crossings, numbering in the thousands (about 0.7% of the herd), provide a pulse of nutrients to aquatic and riparian food webs, enhancing fish and bird populations. This dynamic process underscores causal linkages between rainfall patterns, vegetation phenology, and faunal movements, with disruptions from drought or barriers potentially cascading through trophic levels.

Seasonal Breeding and Aggregations

In the ecosystem, the (Connochaetes taurinus) exhibits highly synchronized seasonal breeding, with calving concentrated between and March in the nutrient-rich southern plains and Ndutu area. This period results in massive aggregations, as approximately 500,000 calves are born over two to three months, with peak daily births exceeding 8,000 individuals, driven by evolutionary pressures to overwhelm predators through sheer numbers. These calving grounds foster dense herds numbering in the hundreds of thousands, enhancing predator-prey dynamics where lions, , and concentrate to exploit the vulnerability of newborns. Plains zebras (Equus quagga), which co-occur with in mixed herds, breed opportunistically year-round but show a pronounced peak in foaling during the rainy season from to March, aligning with grass abundance for . lasts about 13 months, leading to seasonal influxes of juveniles that bolster herd aggregations in wetter habitats. Smaller mammals, such as in the , display breeding patterns tied to rainfall-driven primary productivity, with higher reproductive activity in wet seasons and reduced rates during dry periods, resulting in fluctuating population clusters. Avian species in Tanzania generally synchronize breeding with the November-to-April rainy season, when food resources peak, leading to localized aggregations at nesting colonies; for instance, understory forest birds in northeastern regions nest prolifically during this window, with monitored nests showing seasonal clustering in response to insect and fruit availability. Herbivore group sizes, including those of non-migratory species in areas like the , also vary seasonally, expanding in wet periods for foraging efficiency and contracting around water sources in dry seasons, independent of large-scale migrations. These patterns underscore resource-driven causal mechanisms in 's wildlife dynamics, where seasonal rainfall dictates reproductive timing and spatial clustering.

Protected Areas Network

System Overview and Coverage

Tanzania's protected areas network constitutes one of Africa's most expansive systems for , encompassing approximately 38% of the country's terrestrial land area, or over 350,000 square kilometers out of a total landmass of about 947,300 square kilometers. This coverage includes a of designations such as national parks, game reserves, conservation areas, wildlife management areas (WMAs), and forest reserves, each with varying levels of protection and human use allowances. The network's primary objective is to safeguard hotspots, migratory corridors, and endemic species amid pressures from and land conversion, with management distributed across parastatal bodies including the (TANAPA), Tanzania Wildlife Management Authority (TAWA), Authority (NCAA), and the Ministry of Natural Resources and Tourism. National parks, under TANAPA, form the core of strict protection zones, numbering 21 as of and spanning 99,306.5 square kilometers, where activities are confined primarily to non-consumptive , research, and limited ranger operations to minimize ecological disturbance. Game reserves, managed by TAWA, add extensive buffer zones with 32 designated areas totaling over 100,000 square kilometers, permitting regulated and community involvement to balance conservation with economic benefits. Complementary elements include the NCAA's 8,292-square-kilometer multiple-use zone in Ngorongoro, which integrates Maasai with wildlife protection, and 26 WMAs covering more than 10,500 square kilometers, devolving management to local communities for sustainable resource use. Forest reserves contribute additional habitat connectivity, though their focus leans toward timber and watershed protection rather than . This tiered structure enhances landscape-level resilience for wide-ranging species like and , with contiguous blocks such as the Serengeti-Mara ecosystem exemplifying effective coverage of seasonal ranges. However, gaps persist in marine and coastal domains, where protected areas constitute only about 2.3% of , underscoring terrestrial prioritization. Overall, the system's scale supports Tanzania's role in targets, though enforcement challenges and overlapping jurisdictions occasionally undermine efficacy.

Northern Tanzania Parks

The northern Tanzania parks, including , , , , and Arusha National Park, form a core component of the country's protected areas network, encompassing diverse ecosystems from savannas to montane forests that support exceptional wildlife concentrations. These areas collectively host millions of migratory ungulates during the Great Migration, alongside resident populations of large mammals and avian species, driven by seasonal water availability and vegetation cycles. Predominantly and habitats facilitate high predator-prey densities, with empirical surveys indicating over 2 million ungulates in alone, including approximately 1.2 million and 200,000 zebras. Serengeti National Park, spanning 14,750 square kilometers, exemplifies the region's faunal richness, harboring around 4,000 lions, 1,000 leopards, and 550 , alongside herbivores such as 70,000 buffalo and 4,000 giraffes. The park's predator-prey interactions are among the most intense globally, sustained by the annual migration of over 1.5 million , which peaks in the northern plains from to . , adjacent to Serengeti, maintains a resident population of about 25,000 large animals, primarily ungulates, within its 8,292 square kilometers, featuring the highest mammalian predator density in , including lions, , and leopards, plus relict black rhinoceros groups. The volcanic crater floor concentrates wildlife due to perennial springs, supporting black rhino, , and buffalo year-round. Tarangire National Park, covering 2,850 square kilometers, serves as a dry-season refuge bisected by the Tarangire River, attracting over 3,000 that form herds of up to 300 individuals, representing one of northern Tanzania's largest elephant concentrations. The park also sustains diverse ungulates like oryx and , with baobab-dotted savannas providing browse during droughts. Lake Manyara National Park, smaller at 330 square kilometers, features groundwater forests and soda lakes hosting over 400 bird species, including and pelicans, alongside tree-climbing lions and baboon troops. Its riparian zones support and , with alkaline lake fluctuations influencing seasonal avian abundances. Arusha National Park, encompassing 552 square kilometers around , contrasts with open plains through its montane forests and craters, sheltering black-and-white colobus monkeys, giraffes, and over 400 bird species such as turacos and hornbills. Fauna here includes buffalo, warthogs, and leopards, with alkaline Momella Lakes attracting waterbirds and , though large predator sightings remain infrequent due to dense vegetation. These parks interconnect via migration corridors, enabling and population stability, though human encroachment fragments some linkages, as documented in assessments.

Southern Tanzania Parks

Southern Tanzania's protected areas, encompassing , , , and Udzungwa Mountains National Park, span diverse habitats from woodlands and floodplains to montane forests, fostering wildlife assemblages with high concentrations of elephants, antelopes, and predators. These parks, less impacted by mass tourism compared to northern circuits, maintain robust populations of species like African wild dogs and sable antelopes due to their remoteness and expansive sizes. alone covers over 30,000 square kilometers, making it Africa's largest national park, established in 2019 from the former . Ruaha National Park stands out for its convergence of eastern and southern African fauna zones, resulting in unique combinations of greater and lesser kudu alongside and roan antelopes not replicated elsewhere in . Key mammals include , lions, giraffes, zebras, hunting dogs, Grant's gazelles, striped hyenas, crocodiles, and , with over 540 bird species recorded. This supports exceptional predator-prey dynamics, particularly in riverine areas where large elephant herds and lion prides interact. Mikumi National Park features open savannas and baobab-dotted plains hosting spectacular wildlife concentrations, including magnificent sable antelopes, African hunting dogs, , and Lichtenstein's hartebeests—species rarer in other parks. Herds of , buffaloes, zebras, and giraffes gather at waterholes alongside , while over 400 species thrive in the miombo woodlands. The park's accessibility from facilitates observation of these assemblages without the overcrowding seen elsewhere. Nyerere National Park sustains large numbers of elephants, buffaloes, and lions, serving as a last stronghold for African wild dogs, with notable hippo pods and rhinos along the . Boat safaris on the river reveal aquatic and riparian species, complementing game drives that highlight the park's role in conserving flood-dependent ecosystems. Udzungwa Mountains National Park, a biodiversity hotspot in the Eastern Arc Mountains, prioritizes forest-dwelling primates and endemics over large game, including the Sanje mangabey and Iringa red colobus monkeys. Avifauna features specialties like the Udzungwa forest partridge and rufous-winged sunbird, amid over 2,500 plant species, 25% endemic. Hiking trails access waterfalls and valleys where leopards, elephants, and bushbucks occur, though sightings emphasize smaller, elusive taxa.

Western and Island Parks

The western parks of Tanzania, including Katavi National Park, harbor substantial populations of large herbivores and predators amid remote floodplains and miombo woodlands. Katavi, spanning approximately 4,475 square kilometers, supports some of the largest concentrations of Cape buffalo (Syncerus caffer) in Africa, with herds numbering in the thousands during the dry season when they converge along the Katuma River. Elephants (Loxodonta africana) roam in significant groups, often exceeding 100 individuals, alongside zebras (Equus quagga), giraffes (Giraffa camelopardalis), and impalas (Aepyceros melampus). Predators such as lions (Panthera leo) and leopards (Panthera pardus) are common, with recent camera trap surveys in 2024 confirming the presence of African wild dogs (Lycaon pictus). Hippos (Hippopotamus amphibius) form massive pods in shrinking waterholes, exhibiting aggressive territorial behaviors observable during the dry months from June to October. Over 400 bird species, including Pel's fishing owl (Scotopelia peli), enhance the avian diversity. Along Lake Tanganyika's eastern shore, Gombe Stream and Mahale Mountains National Parks emphasize populations in forested habitats. Gombe Stream, a compact 52-square-kilometer area, is renowned for its chimpanzees (Pan troglodytes), with habituated troops studied since 1960; however, the resident population has declined to around 100 individuals due to habitat loss and disease transmission from nearby human settlements. Other include olive baboons (Papio anubis), blue monkeys (Cercopithecus mitis), (Piliocolobus tephrosceles), and red-tailed monkeys (Cercopithecus ascanius). Leopards prey on these , while inhabit the lakeshore and over 200 bird , such as and turacos, frequent the gallery forests. Mahale Mountains, covering 1,613 square kilometers of mountainous terrain rising to 2,464 meters, hosts Tanzania's largest population, estimated at over 1,000 individuals across multiple communities, including the habituated M-group of about 60. Additional monkeys like and angolan (Colobus angolensis) thrive here, with rarer sightings of , bushbucks (Tragelaphus scriptus), and bush pigs (Potamochoerus larvatus). The park's isolation preserves these troops from extensive human interference, though leopards and pythons pose natural threats. Rubondo Island National Park, situated in and encompassing 457 square kilometers including surrounding waters, features a mix of introduced and native adapted to its forested . Chimpanzees, relocated from other regions in the , number around 100 and forage in the tropical woodlands alongside introduced , giraffes, and antelopes such as (Tragelaphus spekii) and roan (Hippotragus equinus). Native species include and Nile crocodiles (Crocodylus niloticus) in the lakeshore, with spotted-necked otters (Hydrictis maculicollis) observed hunting fish. The park boasts high bird densities, with 300-400 species including fish eagles (Haliaeetus vocifer), grey parrots (Psittacus erithacus), and migratory waterfowl. Mafia Island Marine Park, off Tanzania's coast and covering 822 square kilometers since its establishment in 1995, prioritizes aquatic biodiversity with terrestrial elements on the islands. Whale sharks (Rhincodon typus) aggregate seasonally from October to March, drawn to blooms, while (Chelonia mydas) and hawksbill (Eretmochelys imbricata) turtles nest on beaches. Coral reefs support over 400 fish species, dolphins (Tursiops truncatus), and dugongs (Dugong dugon) in seagrass beds. On land, and vervet monkeys (Chlorocebus pygerythrus) inhabit mangroves and forests, with nearly 400 fish species and diverse underscoring the marine focus.

Primary Threats

Poaching and Illegal Wildlife Trade

Poaching constitutes a primary threat to Tanzania's wildlife, driven by international demand for products such as elephant ivory, rhino horns, and pangolin scales, alongside local consumption of bushmeat and trophies from big cats and antelopes. Tanzania's coastal ports, including Dar es Salaam, facilitate much of the export of these illicit goods via containerized cargo, with 72% of seized ivory and pangolin scales originating from sea shipments. Factors exacerbating the issue include poverty in rural communities bordering protected areas, weak enforcement in remote regions, and corruption within supply chains linking poachers to Asian markets. Elephants have borne the brunt of industrial-scale , with 's plummeting by approximately 60% between 2009 and 2014, from 109,051 to 43,330 individuals, primarily in the Selous ecosystem. This decline positioned as a global hub for the , fueled by organized syndicates using firearms and snares. Black rhinos, numbering fewer than 100 in the wild as of recent estimates, have also faced targeted killings for horns, though populations showed signs of recovery by 2023 due to intensified patrols. Despite reported reductions in poaching incidents—claimed by Tanzanian authorities to have fallen 80% by 2019—illegal activities persist, as evidenced by a 106 kg seizure near the Kenyan in January 2025 and ongoing trafficking through ports. poaching affects smaller ungulates and across game reserves like Ugalla-Rungwa, while trophy hunting of lions and leopards supplies skins to regional markets. The ecological repercussions include disrupted and vegetation dynamics from elephant losses, as these animals function as shaping and forest habitats. Poaching has induced evolutionary shifts, such as higher proportions of tuskless female in affected populations, and broader erosion through local extinctions and altered predator-prey balances. Economically, elephant alone has cost 4-11% of annual revenue, undermining the sector's reliance on .

Habitat Conversion and Fragmentation

Habitat conversion in primarily stems from , production, and , transforming forests, woodlands, and grasslands into croplands and settlements. Global Forest Watch data indicate that between 2001 and 2024, the lost 3.48 million hectares of tree cover, equivalent to a 13% decline in relative tree cover since 2000. Annual rates have been estimated at approximately 0.4 million hectares, with by smallholder farmers as a dominant driver, particularly in woodlands and coastal forests. In 2024 alone, 271,000 hectares of natural forest were lost, underscoring ongoing pressures despite protected areas covering about 32% of . Fragmentation accompanies this conversion, as discontinuous land clearance isolates patches and severs wildlife corridors essential for migration and gene flow. Around 30 historic corridors across are now highly degraded or obstructed by settlements and farming, with encroachment intensifying near parks like and Selous. In the western , poor agricultural practices and fuelwood extraction have shortened fallow periods and expanded cultivation into buffer zones, fragmenting ecosystems and blocking animal movements. Similarly, corridors between Katavi and Mahale National Parks have deteriorated due to habitat degradation, reducing connectivity for species like and lions. These processes yield cascading effects on , including population declines, disrupted migrations, and elevated risks for habitat specialists. In the ecosystem, fragmentation has contributed to reduced abundances of herbivores like , as agricultural boundaries limit range access and foraging. Cropland conversion of wetlands and vegetation has intensified human-elephant conflicts by compressing ranges, while from fragmentation alter microclimates and promote invasives, degrading suitability for . Overall, such changes undermine ecosystem resilience, with corridor loss exacerbating isolation in an already pressured .

Human-Wildlife Conflicts

Human-wildlife conflicts in Tanzania predominantly arise in rural communities adjacent to protected areas, where expanding agricultural and pastoral activities overlap with wildlife ranges, leading to crop depredation, livestock losses, and direct threats to human life. Elephants (Loxodonta africana) are the primary agents of crop damage, raiding fields for staple crops and causing substantial economic hardship for smallholder farmers dependent on rain-fed agriculture. Lions (Panthera leo) and spotted hyenas (Crocuta crocuta) frequently prey on livestock, exacerbating tensions in pastoralist areas like the Maasai Steppe and Ngorongoro Conservation Area. These incidents are driven by habitat fragmentation, blocked migration corridors, and human population growth, which push wildlife into human-dominated landscapes in search of forage and water. Elephant crop raiding is most acute in northern and eastern , near parks such as Tarangire, Manyara, and Mkomazi , where raids occur almost exclusively at night (98.8% of cases) and target high-value crops like (88.3% of damaged fields), beans (76.5%), and sunflowers (64.2%). In 2009, elephants destroyed 15,125 hectares of crops nationwide, with annual losses continuing to burden farmers through reduced yields and food insecurity. Surveys indicate that 88% of affected communities view elephant raids as a severe problem, often prompting retaliatory killings that further deplete populations. Livestock predation by lions deviates from typical nocturnal patterns in areas like Ngorongoro, with attacks peaking during daytime grazing and targeting sheep and , contributing to household economic losses estimated in thousands of annually. Human casualties from wildlife attacks average 50 to 96 deaths per year, with rural residents near protected areas bearing the brunt; for instance, 96 people were killed and 90 injured in 2019 alone across the country. In the , records from 2015 onward show an average of 26.3 human attacks annually, often by elephants, lions, or buffalo, alongside eight deaths per year in communities bordering protected areas. Other like and crocodiles contribute to incidents near water bodies, but elephants and account for the majority. These conflicts fuel retaliatory measures, including poisonings and shootings, which have killed at least 12 lions in targeted prides over three years in some regions, undermining conservation efforts. Community surveys reveal 87.5% of respondents experiencing problem animals, highlighting the scale of livelihood threats.

Conservation Approaches

Policy Framework and Enforcement

Tanzania's is governed primarily by the Wildlife Policy of 2007, which emphasizes sustainable utilization, community involvement, and integration with national development goals, including alignment with the Development Vision 2025 for environmental sustainability. The foundational legislation is the Wildlife Conservation Act of 2009 (Cap. 283), revised in subsequent editions including 2022, which declares all wildlife as public property vested in the President as trustee for the people, prohibiting unauthorized , , or possession and establishing protected areas such as national parks, game reserves, and game controlled areas. This Act mandates promotion of the national wildlife policy and cooperation on international agreements consistent with Tanzania's conservation priorities, such as for regulating in . The Tanzania Wildlife Management Authority (TAWA), established under the Wildlife Management Authority Act of 2013 and operational since July 2016, oversees management and enforcement in game reserves, game controlled areas, and wildlife management areas outside national parks, with responsibilities including issuing licenses, conducting patrols, and controlling problem animals. TAWA enforces the Act through anti-poaching operations, surveillance at borders and entry points, and collaboration with communities, while the Ministry of Natural Resources and Tourism coordinates broader policy implementation via the Wildlife Division. Enforcement provisions include substantial fines and imprisonment for offenses like poaching, with dedicated units for investigation and prosecution of wildlife crimes. Between 2012 and 2022, Serengeti District Court registered numerous wildlife cases filed by authorities, indicating active judicial enforcement, though conviction rates and deterrence effectiveness vary due to evidentiary challenges in remote areas. Recent developments include the National Wildlife Management Areas Strategy for 2023-2033, which builds on 1998 policy and 2002 regulations to enhance community-based management and benefit-sharing, and the Wildlife Conservation Non-Consumptive Use Amendment Regulations of , which expand application to fees, increase revenue structures, and regulate accommodation transfers to support funding. The Elephant Management and Action Plan 2023-2033 revises regulations from 2012 and 2018 to prioritize and connectivity, reflecting ongoing adaptations to threats like illegal trade. Despite these frameworks, faces constraints from limited resources and cross-border trafficking, with international assistance from entities like the U.S. Fish and Wildlife Service aiding capacity-building for compliance as of . Empirical data from patrols and seizures underscore progress in reducing since peak years in the , but persistent illegal activities highlight the need for sustained ranger training and technological integration.

Anti-Poaching and Surveillance Measures

Tanzania's anti-poaching efforts are coordinated through the Tanzania Wildlife Management Authority (TAWA) and include intensified ranger patrols, intelligence-led operations, and joint initiatives with local communities and private sector partners. The National Anti-Poaching Strategy (NAPS) 2023–2033, launched in June 2023, emphasizes reducing poaching by enhancing enforcement capacity, disrupting illegal trade networks, and integrating community monitoring, with a supporting USD 169 million fundraising plan to bolster these activities. This strategy builds on prior nationwide programs that reversed elephant population declines by increasing arrests and seizures, as evidenced by a reported stabilization of over 60,000 elephants in key ecosystems by 2025. In reserves like Ugalla and Rungwa, harvest-based incentives for rangers have correlated with reduced poaching incidents, though effectiveness varies by patrol coverage and terrain. Surveillance technologies have been progressively integrated to augment ground efforts, starting with the deployment of unmanned aerial vehicles (UAVs or drones) in 2015 for real-time aerial reconnaissance over and game reserves, enabling detection of poacher encampments and migration routes. networks, such as those expanded in Katavi by 2024, provide passive monitoring of wildlife trails and snares, yielding data that deters incursions and supports evidence-based prosecutions while minimizing ranger exposure to risks. Advanced systems like AI-equipped TrailGuard cameras, tested in Tanzanian reserves since 2018, use motion detection and image recognition to alert authorities to human intruders before offenses occur, relaying footage via satellite for rapid response. Sensor-based infrastructure further strengthens perimeter security, as seen in Mkomazi 's Smart Park initiative since 2018, which employs LoRaWAN networks for gate monitoring, rhino horn implants, and environmental alerts to track movements and predict threats. These tools complement traditional patrols, with studies in Udzungwa Mountains indicating that combined tech-human reduces poaching efficacy by up to 40% through faster detection cycles, though challenges persist in remote, forested areas where signal reliability and demand ongoing investment. Community-led de-snaring operations, supported by tourism operators in areas like since 2025, integrate local intelligence with these technologies to remove over 10,000 snares annually, fostering stewardship while addressing root economic drivers of poaching.

Community and Market-Based Strategies

Wildlife Management Areas (WMAs) represent a primary community-based conservation strategy in , devolving rights to local communities to manage on village lands adjacent to protected areas, thereby incentivizing protection through revenue from and concessions. Established under the Wildlife Policy of 2007 and formalized in the Act of 2009, WMAs cover approximately 50,000 square kilometers as of 2023, involving over 100 registered areas where communities receive 50-65% of generated revenues for social projects like schools and water infrastructure. In the Burunge WMA near , for instance, community patrols and benefit-sharing have correlated with increased densities, including a 20-30% rise in populations between 2018 and 2023, as monitored via aerial surveys. Market-based incentives complement these efforts by channeling economic benefits from utilization to communities and operators. , regulated through annual quotas set by the Tanzania Wildlife Management Authority (TAWA), generated 63.03 billion Tanzanian shillings (approximately $24 million USD) in 2022, with portions allocated to WMAs and operations, supporting retention in areas unsuitable for photographic . Payments for services (PES) schemes, such as those in northern 's wildlife corridors, involve private investors compensating Maasai communities—e.g., $200,000 annually in one 2010-initiated program—for forgoing incompatible land uses, fostering connectivity between and Ngorongoro ecosystems and reducing conversion rates by up to 15% in participating villages. These mechanisms have demonstrably shifted local attitudes, with surveys in WMAs showing 60-70% of residents reporting improved willingness to tolerate presence due to tangible income streams exceeding alternative agriculture in low-rainfall zones. Despite successes, implementation challenges persist, including of revenues in some WMAs—where up to 40% of funds may not reach broader community needs—and disputes that undermine long-term efficacy, as evidenced by stalled registrations in southern regions. Empirical evaluations, such as quasi-experimental studies across six WMAs, indicate variable social outcomes, with stronger conservation impacts where transparent revenue distribution aligns incentives with collective monitoring efforts.

Population Dynamics from Surveys

Aerial surveys conducted by the Tanzania Wildlife Research Institute (TAWIRI) provide systematic data on large mammal populations across major ecosystems, covering approximately 300,000 km² on a roughly three-year cycle using and transects. These surveys enumerate herbivores, carnivores, and human activities, enabling amid pressures and changes; for instance, the 2021 dry-season in the Ruaha-Rungwa and Katavi-Rukwa ecosystems documented stable to increasing densities for key species like and buffalo. Elephant populations in have exhibited recovery following severe declines from , with national estimates rising from about 43,000 individuals in to 60,000 by , attributed to intensified enforcement. A 2022 TAWIRI-WCS in the Ruaha-Rungwa and Katavi-Rukwa landscape, spanning over 100,000 km², counted nearly 20,000 , confirming this area as 's primary stronghold and showing density increases in core protected zones compared to 2015 baselines. However, peripheral areas displayed lower densities, linked to human encroachment and residual illegal killing. For migratory ungulates, traditional aerial counts in the Serengeti-Mara ecosystem have long estimated populations at around 1.3 million, supporting the scale of the annual migration. A 2025 AI-assisted analysis, however, yielded a lower figure of fewer than 600,000 individuals during peak aggregation, challenging prior estimates due to potential double-counting in ground-based methods and highlighting methodological discrepancies that warrant reconciliation through hybrid approaches. Tanzania's 2024 TAWIRI census affirmed it hosts Africa's largest populations of lions and buffalo, with lion estimates exceeding those of other nations based on density extrapolations from surveyed prides in ecosystems like Selous-Nyerere and Ruaha. African wild dog surveys in the Selous-Nyerere landscape identified 222 individuals via camera traps and capture-recapture modeling, indicating localized stability but vulnerability to habitat fragmentation. An ongoing national aerial census for 2024-2025, incorporating drones and GPS collars, aims to refine these dynamics amid expanding human settlements. Overall, surveys reveal heterogeneous trends: recoveries in flagship species through enforcement, but risks of overestimation in mobile herds and declines in edge habitats.

Achievements Versus Persistent Challenges

Tanzania has achieved notable successes in , particularly in stabilizing and increasing populations of through intensified measures and policy enforcement. The population grew from approximately 43,000 in 2014 to 60,000 by 2021, reflecting effective interventions following a poaching surge, with aerial surveys in 2022 estimating 56,425 individuals across key ecosystems like and Ruaha-Rungwa. Illegal killings at monitored sites plummeted from 119 in 2015 to just 6 in 2021, underscoring the impact of the National Strategy to Combat Poaching implemented since 2014. Similarly, the 2024 TAWIRI confirmed hosts Africa's largest population, estimated at around 17,000 individuals, surpassing South Africa's by a factor of five, alongside leading numbers of buffalo. Protected area management has also advanced, with effectiveness scores in nature forest reserves rising from 55% in 2015 to 87% by 2021 across 17 reserves, aiding the protection of over 700 , including many endemics and threatened taxa. A 2016 ban on exporting live wild-caught chameleons from contributed to a 75% global drop in wild specimen trade by 2019, shifting toward and enabling 90% of affected communities to adopt alternatives like spice farming. Land under expanded by over 20% from 1995 to 2014, complemented by community-based areas covering 7% of the country, which host higher densities than adjacent lands. Despite these gains, persistent challenges undermine long-term viability, including ongoing habitat degradation from and , which erased 3.2 million hectares of tree cover between 2001 and 2023. for and high-value species like rhinos and big cats continues, fueled by transnational trafficking networks, even as overall rates have declined; syndicates persist, generating illicit revenue amid enforcement gaps. Human-elephant conflicts have escalated with population recovery, causing 186 human deaths from 2018 to 2022 and straining rural communities. These pressures highlight the need for sustained investment, as evidenced by the government's allocation of $1.5 million for a 2025/26 national to track trends amid climate variability and land-use conflicts.

References

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