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Blond capuchin
The blond capuchin (Sapajus flavius) is a species of capuchin monkey endemic to northeastern Brazil. This endangered species was rediscovered in 2006. It can live in exceptionally large groups of over 150 individuals, and like other capuchin species, exhibits a complex and high level of sociality. It is threatened by loss of habitat due to agriculture, primarily sugarcane fields. In many cases this has caused sugarcane to make up a large portion of their diet, which would otherwise consist of mostly fruit and small animals. The blond capuchin is known to inhabit both the Atlantic forest and Caatinga biomes, although the habitation of the Caatinga may be a recent choice caused by human encroachment into its former habitats. Like other primate species, the blond capuchin is also threatened by poaching and capture for the illegal pet trade.
The blond capuchin was first described as "caitaia" by Georg Marcgrave in 1648. In 1774 Johann Christian Daniel von Schreber posited Simia flavia as an independent species, but it had long lacked any specimen. It was not until in 2006 when researchers made its neotype designation. In their neotype designation article, de Oliveira and Langguth confirmed the consistency of Marcgrave's, Schreber's, and their capuchins, attributed the authority to Schreber, and established a new combination of its scientific name, C. flavius Schreber, 1774.
In the same year, 2006, Mendes Pontes and Malta reported C. queirozi as a new species. However, de Oliveira and his collaborators pointed out the existence of the previous studies, that is, those of Marcgrave and Schreber, as well as the inadequacy of Mendes Pontes and Maldta's designation of the type specimen, and therefore considered C. queirozi to be a junior synonym. Rylands and Mittermeier followed de Oliveira and Langguth's view.
In 2011, Jessica Lynch Alfaro et al. proposed that the robust capuchins such (formerly the C. apella group) be placed in a separate genus, Sapajus, from the gracile capuchins (formerly the C. capucinus group) which retain the genus Cebus.
The body hair of the blond capuchin is almost uniformly golden-yellow with the notable exception of a whitish cap on the front half of the head. It has a pink-coloured face with light-brown eyes and a darkly-coloured, hairless throat flap on the ventral side of its neck. The hair on the feet and hands is much lighter compared to the rest of the coat, while the palms and soles of the feet are hairless and black. The hair on the head grows towards the posterior and is not tufted. The blond capuchin is on the smaller end of capuchin monkeys, reaching a maximum head and body length of 40 cm (16 in). Similar to other capuchin species, the length of the tail is nearly equivalent to the length of the head and body. The typical weight of an adult ranges from 2 to 3 kg (4.4 to 6.6 lb).
The blond capuchin inhabits the northeastern Atlantic Forest extended in the states of Paraíba, Pernambuco, and Alagoas in the northeastern part of Brazil. It was rediscovered in two Atlantic Forest fragments in Paraíba, the Camaratuba Experimental Station and the Engenho Gargaú Private Natural Heritage Reserve. Sample animals were captured and examined. In the Gargaú reserve they seemed healthy and were probably a viable population for the next 100 years. The Camaratuba population had a 50% risk of extinction. It has also been seen in the Pau-Brasil Ecological Station in Paraíba, just south of the Camaratuba station.
The blond capuchin is also known to inhabit the Caatinga biome in the state of Rio Grande do Norte located in northeastern Brazil. Although only officially discovered in the mid to late 2000s, local residents claim to have seen them for at least the past 40 years. Locals of the area claim the blond capuchins frequently raid the nearby maize fields, indicating that they may have been forced to move to and adapt to the Caatinga biome due to human activity. Notably, blond capuchins living in the Caatinga spend much more of their time on the ground then populations living in the Atlantic forest.
Blond capuchins live in large, complex social groups that can be made up of over 150 individuals, containing both males and females. Males will typically lead group movements, and will sometimes split into subgroups when foraging. This is believed to reduce competition within the group, as their favoured food, fruits, are often found in clumps that could inspire conflict if too many individuals were to forage from the same clump at the same time. Although both males and females exhibit parental care, females are the primary caregivers of infants and have been observed to be doing the majority of infant carrying. Blond capuchins do not have a mating season, thus mothers can be observed carrying infants of different ages throughout all times of the year. One study observed a mother carrying her dead infant, causing her to fall behind from her group and become exposed to predation, suggesting blond capuchin mothers maintain strong bonds with their children. The mother in this study was guarded by two males, also suggesting that while males may not have much of a direct role in childcare, they may help by protecting mothers and infants from threats.
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Blond capuchin
The blond capuchin (Sapajus flavius) is a species of capuchin monkey endemic to northeastern Brazil. This endangered species was rediscovered in 2006. It can live in exceptionally large groups of over 150 individuals, and like other capuchin species, exhibits a complex and high level of sociality. It is threatened by loss of habitat due to agriculture, primarily sugarcane fields. In many cases this has caused sugarcane to make up a large portion of their diet, which would otherwise consist of mostly fruit and small animals. The blond capuchin is known to inhabit both the Atlantic forest and Caatinga biomes, although the habitation of the Caatinga may be a recent choice caused by human encroachment into its former habitats. Like other primate species, the blond capuchin is also threatened by poaching and capture for the illegal pet trade.
The blond capuchin was first described as "caitaia" by Georg Marcgrave in 1648. In 1774 Johann Christian Daniel von Schreber posited Simia flavia as an independent species, but it had long lacked any specimen. It was not until in 2006 when researchers made its neotype designation. In their neotype designation article, de Oliveira and Langguth confirmed the consistency of Marcgrave's, Schreber's, and their capuchins, attributed the authority to Schreber, and established a new combination of its scientific name, C. flavius Schreber, 1774.
In the same year, 2006, Mendes Pontes and Malta reported C. queirozi as a new species. However, de Oliveira and his collaborators pointed out the existence of the previous studies, that is, those of Marcgrave and Schreber, as well as the inadequacy of Mendes Pontes and Maldta's designation of the type specimen, and therefore considered C. queirozi to be a junior synonym. Rylands and Mittermeier followed de Oliveira and Langguth's view.
In 2011, Jessica Lynch Alfaro et al. proposed that the robust capuchins such (formerly the C. apella group) be placed in a separate genus, Sapajus, from the gracile capuchins (formerly the C. capucinus group) which retain the genus Cebus.
The body hair of the blond capuchin is almost uniformly golden-yellow with the notable exception of a whitish cap on the front half of the head. It has a pink-coloured face with light-brown eyes and a darkly-coloured, hairless throat flap on the ventral side of its neck. The hair on the feet and hands is much lighter compared to the rest of the coat, while the palms and soles of the feet are hairless and black. The hair on the head grows towards the posterior and is not tufted. The blond capuchin is on the smaller end of capuchin monkeys, reaching a maximum head and body length of 40 cm (16 in). Similar to other capuchin species, the length of the tail is nearly equivalent to the length of the head and body. The typical weight of an adult ranges from 2 to 3 kg (4.4 to 6.6 lb).
The blond capuchin inhabits the northeastern Atlantic Forest extended in the states of Paraíba, Pernambuco, and Alagoas in the northeastern part of Brazil. It was rediscovered in two Atlantic Forest fragments in Paraíba, the Camaratuba Experimental Station and the Engenho Gargaú Private Natural Heritage Reserve. Sample animals were captured and examined. In the Gargaú reserve they seemed healthy and were probably a viable population for the next 100 years. The Camaratuba population had a 50% risk of extinction. It has also been seen in the Pau-Brasil Ecological Station in Paraíba, just south of the Camaratuba station.
The blond capuchin is also known to inhabit the Caatinga biome in the state of Rio Grande do Norte located in northeastern Brazil. Although only officially discovered in the mid to late 2000s, local residents claim to have seen them for at least the past 40 years. Locals of the area claim the blond capuchins frequently raid the nearby maize fields, indicating that they may have been forced to move to and adapt to the Caatinga biome due to human activity. Notably, blond capuchins living in the Caatinga spend much more of their time on the ground then populations living in the Atlantic forest.
Blond capuchins live in large, complex social groups that can be made up of over 150 individuals, containing both males and females. Males will typically lead group movements, and will sometimes split into subgroups when foraging. This is believed to reduce competition within the group, as their favoured food, fruits, are often found in clumps that could inspire conflict if too many individuals were to forage from the same clump at the same time. Although both males and females exhibit parental care, females are the primary caregivers of infants and have been observed to be doing the majority of infant carrying. Blond capuchins do not have a mating season, thus mothers can be observed carrying infants of different ages throughout all times of the year. One study observed a mother carrying her dead infant, causing her to fall behind from her group and become exposed to predation, suggesting blond capuchin mothers maintain strong bonds with their children. The mother in this study was guarded by two males, also suggesting that while males may not have much of a direct role in childcare, they may help by protecting mothers and infants from threats.
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