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Orange-bellied parrot
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Orange-bellied parrot
The orange-bellied parrot (Neophema chrysogaster) is a small parrot endemic to southern Australia, and one of only three[citation needed] species of parrot that migrate. It was described by John Latham in 1790. A small parrot around 20 cm (8 in) long, it exhibits sexual dimorphism. The adult male is distinguished by its bright grass-green upper parts, yellow underparts and orange belly patch. The adult female and juvenile are duller green in colour. All birds have a prominent two-toned blue frontal band and blue outer wing feathers.
The orange-bellied parrot breeds in Tasmania and winters on the coast of southern mainland Australia, foraging on saltmarsh species, beach or dune plants and a variety of exotic weed species. The diet consists of seeds and berries of small coastal grasses and shrubs. With a wild population of 14 birds as of early February 2017, it is regarded as a critically endangered species. The orange-bellied parrot is rated as critically endangered on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered species.
Orange-bellied parrots are being bred in a captive breeding program with parrots in Taroona, Tasmania, Healesville Sanctuary, Adelaide Zoo, Moonlit Sanctuary Wildlife Conservation Park and Priam Parrot Breeding Centre. The captive population consists of around 300 birds, with a target of 350 birds by 2016–17. Because of the decline in the wild population in recent years, an additional 21 birds from the wild population were captured in 2010–2011 to improve the genetic diversity of the species' captive breeding program. Taken as a whole, the captive population, an example of ex situ conservation, is termed an "insurance population" against extinction.
The orange-bellied parrot was first described by ornithologist John Latham as Psittacus chrysogaster in 1790, from a specimen (since lost) that had been collected from Adventure Bay in Tasmania in March 1773 on the second voyage of James Cook or in January 1777 on his third voyage, and subsequently been in Joseph Banks' collection. The species name was derived from the Ancient Greek words chrysos ("golden") and gaster ("belly"). John Gould described it in 1841 as Euphema aurantia, from an adult male specimen collected in southeast Tasmania that became the lectotype. The species name was the Latin adjective for "orange". Tasmanian clergyman Thomas James Ewing named it Nanodes gouldii, in honour of Gould, who he believed had discovered it. No subspecies are recognised.
Italian ornithologist Tommaso Salvadori erected the new genus Neophema in 1891, placing the orange-bellied parrot within it and giving it its current scientific name. One of six species of grass parrot in the genus Neophema, it is one of four classified in the subgenus Neonanodes. Analysis of mitochondrial DNA published in 2021 indicated the ancestor of the orange-bellied parrot diverged from a lineage giving rise to the elegant, blue-winged and rock parrots most likely between 2.35 and 3.48 million years ago.
"Orange-bellied parrot" has been designated the official name by the International Ornithologists' Union (IOC). Gould called it the orange-bellied grass parakeet. It has previously been known as the "orange-breasted parrot"—a name given to the orange-bellied parrot in 1926 by the Royal Australasian Ornithologists Union or RAOU (now Birdlife Australia) when the word "belly" was considered inelegant. Other names include yellow-bellied parrot, orange-bellied grass-parakeet, and trumped-up corella.
The orange-bellied parrot is a small parrot around 20 cm (8 in) long; the adult male has bright green head, neck and upperparts, and yellow-green breast, abdomen and flanks. The feathers of the cheeks, neck and underparts are yellow-green with lime green tips and fringes, and hence appear more bright green when the bird has just moulted and more yellowish as the plumage wears. Feathers on the crown are bright green with darker green tips. It has a prominent, two-toned blue frontal band, with a lighter blue border both above and below the horizontal dark blue band. On the belly is an oval patch of orange around 2 cm in diameter. The undertail coverts are yellow to pale yellow. The uppertail is green-blue with yellow sides. The under wing-coverts and flight feathers are dark blue, with paler blue median wing-coverts. The upper mandible of the bill is blackish grey with a greyish, orange-brown or salmon-coloured base and cutting edge, while the lower mandible a brownish orange a grey-black tip. The cere is blackish grey with a pale brown tinge around the nostrils, the orbital eye-ring is light grey and the iris is dark brown. The legs and feet are dark grey with a red tinge between scales. The adult female has slightly duller shades of green plumage overall, with a paler blue frontal band. Its orange belly patch is about 30% smaller and less distinct. Moulting takes place in late winter and early spring. The juvenile is a duller green to yellow-olive colour overall, with a much less prominent blue frontal band above the eyes. It has a dull yellowish or orange bill, which darkens to brown by the time the bird is three months old.
The orange-bellied parrot most commonly utters a single-note buzzing sound that is repeated every one to three seconds as a contact call. This is generally made by orange-bellied parrots while flying, but also by birds seeing others in flight. The alarm call is a quickly repeated tzeet that has a buzzing quality. Individuals may make this call when flushed from cover. The gurgle-buzz call is made by birds acting as sentries at feeding areas, and is a mixture of an alarm call interspersed with chattering and hissing. When feeding, orange-bellied parrots may make soft low-pitched chitting sounds.
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Orange-bellied parrot
The orange-bellied parrot (Neophema chrysogaster) is a small parrot endemic to southern Australia, and one of only three[citation needed] species of parrot that migrate. It was described by John Latham in 1790. A small parrot around 20 cm (8 in) long, it exhibits sexual dimorphism. The adult male is distinguished by its bright grass-green upper parts, yellow underparts and orange belly patch. The adult female and juvenile are duller green in colour. All birds have a prominent two-toned blue frontal band and blue outer wing feathers.
The orange-bellied parrot breeds in Tasmania and winters on the coast of southern mainland Australia, foraging on saltmarsh species, beach or dune plants and a variety of exotic weed species. The diet consists of seeds and berries of small coastal grasses and shrubs. With a wild population of 14 birds as of early February 2017, it is regarded as a critically endangered species. The orange-bellied parrot is rated as critically endangered on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered species.
Orange-bellied parrots are being bred in a captive breeding program with parrots in Taroona, Tasmania, Healesville Sanctuary, Adelaide Zoo, Moonlit Sanctuary Wildlife Conservation Park and Priam Parrot Breeding Centre. The captive population consists of around 300 birds, with a target of 350 birds by 2016–17. Because of the decline in the wild population in recent years, an additional 21 birds from the wild population were captured in 2010–2011 to improve the genetic diversity of the species' captive breeding program. Taken as a whole, the captive population, an example of ex situ conservation, is termed an "insurance population" against extinction.
The orange-bellied parrot was first described by ornithologist John Latham as Psittacus chrysogaster in 1790, from a specimen (since lost) that had been collected from Adventure Bay in Tasmania in March 1773 on the second voyage of James Cook or in January 1777 on his third voyage, and subsequently been in Joseph Banks' collection. The species name was derived from the Ancient Greek words chrysos ("golden") and gaster ("belly"). John Gould described it in 1841 as Euphema aurantia, from an adult male specimen collected in southeast Tasmania that became the lectotype. The species name was the Latin adjective for "orange". Tasmanian clergyman Thomas James Ewing named it Nanodes gouldii, in honour of Gould, who he believed had discovered it. No subspecies are recognised.
Italian ornithologist Tommaso Salvadori erected the new genus Neophema in 1891, placing the orange-bellied parrot within it and giving it its current scientific name. One of six species of grass parrot in the genus Neophema, it is one of four classified in the subgenus Neonanodes. Analysis of mitochondrial DNA published in 2021 indicated the ancestor of the orange-bellied parrot diverged from a lineage giving rise to the elegant, blue-winged and rock parrots most likely between 2.35 and 3.48 million years ago.
"Orange-bellied parrot" has been designated the official name by the International Ornithologists' Union (IOC). Gould called it the orange-bellied grass parakeet. It has previously been known as the "orange-breasted parrot"—a name given to the orange-bellied parrot in 1926 by the Royal Australasian Ornithologists Union or RAOU (now Birdlife Australia) when the word "belly" was considered inelegant. Other names include yellow-bellied parrot, orange-bellied grass-parakeet, and trumped-up corella.
The orange-bellied parrot is a small parrot around 20 cm (8 in) long; the adult male has bright green head, neck and upperparts, and yellow-green breast, abdomen and flanks. The feathers of the cheeks, neck and underparts are yellow-green with lime green tips and fringes, and hence appear more bright green when the bird has just moulted and more yellowish as the plumage wears. Feathers on the crown are bright green with darker green tips. It has a prominent, two-toned blue frontal band, with a lighter blue border both above and below the horizontal dark blue band. On the belly is an oval patch of orange around 2 cm in diameter. The undertail coverts are yellow to pale yellow. The uppertail is green-blue with yellow sides. The under wing-coverts and flight feathers are dark blue, with paler blue median wing-coverts. The upper mandible of the bill is blackish grey with a greyish, orange-brown or salmon-coloured base and cutting edge, while the lower mandible a brownish orange a grey-black tip. The cere is blackish grey with a pale brown tinge around the nostrils, the orbital eye-ring is light grey and the iris is dark brown. The legs and feet are dark grey with a red tinge between scales. The adult female has slightly duller shades of green plumage overall, with a paler blue frontal band. Its orange belly patch is about 30% smaller and less distinct. Moulting takes place in late winter and early spring. The juvenile is a duller green to yellow-olive colour overall, with a much less prominent blue frontal band above the eyes. It has a dull yellowish or orange bill, which darkens to brown by the time the bird is three months old.
The orange-bellied parrot most commonly utters a single-note buzzing sound that is repeated every one to three seconds as a contact call. This is generally made by orange-bellied parrots while flying, but also by birds seeing others in flight. The alarm call is a quickly repeated tzeet that has a buzzing quality. Individuals may make this call when flushed from cover. The gurgle-buzz call is made by birds acting as sentries at feeding areas, and is a mixture of an alarm call interspersed with chattering and hissing. When feeding, orange-bellied parrots may make soft low-pitched chitting sounds.