Uta Hick's Bearded Saki
Encyclopedia
Uta Hick's bearded saki, Chiropotes utahicki, is an endangered
species of bearded saki
, a type of New World monkey
. It is endemic
to Brazil
, where restricted to the Amazon
between the Xingu
and Tocantins River
s. It was formerly treated as a subspecies
of the more easternly C. satanas
, but its back is pale brownish. The specific name is often modified to utahickae, but this has been discouraged.
Endangered species
An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters...
species of bearded saki
Bearded saki
The bearded sakis are five species of New World monkeys, classified in the genus Chiropotes. They live in the eastern and central Amazon in South America, ranging through southern Venezuela, Guyana, Suriname, French Guiana and northern and central Brazil...
, a type of New World monkey
New World monkey
New World monkeys are the five families of primates that are found in Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Platyrrhini parvorder and the Ceboidea superfamily, which are essentially synonymous since...
. It is endemic
Endemic (ecology)
Endemism is the ecological state of being unique to a defined geographic location, such as an island, nation or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, all species of lemur are endemic to the...
to Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
, where restricted to the Amazon
Amazon Rainforest
The Amazon Rainforest , also known in English as Amazonia or the Amazon Jungle, is a moist broadleaf forest that covers most of the Amazon Basin of South America...
between the Xingu
Xingu River
The Xingu River , also called Rio Xingu, is a 1,230-mile long, river in north Brazil; it is a southeast tributary of the Amazon River.-Description and history:...
and Tocantins River
Tocantins River
The Tocantins is a river in Brazil, the central fluvial artery of the country. In the Tupi language, its name means "toucan's beak" . It runs from south to north for about 2,640 km. It is not really a branch of the Amazon River, although usually so considered, since its waters flow into the...
s. It was formerly treated as a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of the more easternly C. satanas
Black Bearded Saki
The Black bearded saki is a species of bearded saki, a type of New World monkey. This critically endangered species is endemic to the far eastern Amazon in Brazil, it being restricted to a relatively small region from the Tocantins River in Pará east to around the Grajaú River in Maranhão...
, but its back is pale brownish. The specific name is often modified to utahickae, but this has been discouraged.