![]() The eastern chimpanzee is both arboreal and terrestrial and rests in trees at night, but spends the day on the ground. They once inhabited most of this region, but their habitat has been dramatically reduced in recent years.īehaviour and ecology A group of chimpanzees groomingĬhimpanzees live in communities of typically 20 to more than 150 members, but spend most of their time traveling in small parties of just a few individuals. ![]() The chimpanzee spends time both in trees and on the ground, but usually sleeps in a tree, where it builds a nest for the night. Habitat A nest on a tree where chimpanzees sleep overnight Like most chimpanzee populations, the eastern chimpanzees have amber to brown irises and dark sclerae. Both of its thumbs and its big toes are opposable, allowing a precision grip. The chimpanzee's body is covered with coarse black hair, except for the face, fingers, toes, palms of the hands, and soles of the feet. Males can measure up to 145 centimetres (57 inches) and females up to 120 centimetres (47 inches) in height. Physical description Īdult chimpanzees in the wild weigh between 40 and 65 kilograms (88 and 143 pounds). Jane Goodall at Gombe Stream National Park. This subspecies has been extensively studied by Dr. If not properly managed, research and tourism also present a risk of disease transmission between humans and chimpanzees. Because chimpanzees and humans are physiologically very similar, chimpanzees succumb to many diseases that afflict humans. Although the common chimpanzee is the most abundant and widespread of the non-human great apes, recent declines in East Africa are expected to continue due to hunting and loss of habitat. The 2007 IUCN Red List classified them as Endangered. schweinfurthii and the southern population as P. schweinfurthii, Colin Groves of the Australian National University argues that there is enough variation between the northern and southern populations of this population of chimpanzees to be split into two subspecies instead of one the northern population as P. It is native to the Central African Republic, South Sudan, the Democratic Republic of the Congo, Uganda, Rwanda, Burundi, and Tanzania. The eastern chimpanzee ( Pan troglodytes schweinfurthii) is a subspecies of the common chimpanzee.
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