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The eastern chimpanzee (Pan troglodytes schweinfurthii) is a subspecies of the common chimpanzee. It is native to the Central African Republic , South Sudan , the Democratic Republic of the Congo , Uganda , Rwanda , Burundi , and Tanzania .
Chimpanzees also use leaves as sponges or spoons to drink water. [148] West African chimpanzees in Senegal were found to sharpen sticks with their teeth, which were then used to spear Senegal bushbabies out of small holes in trees. [149] An eastern chimpanzee has been observed using a modified branch as a tool to capture a squirrel. [150]
A chimpanzee's testicles are unusually large for its body size, with a combined weight of about 4 oz (110 g) compared to a gorilla's 1 oz (28 g) or a human's 1.5 ounces (43 g). This relatively great size is generally attributed to sperm competition due to the polygynandrous nature of chimpanzee mating behaviour .
Sumatran orangutan (Pongo abelli) Hominoidea is a superfamily of primates. Members of this superfamily are called hominoids or apes, and include gorillas, chimpanzees, orangutans, gibbons, bonobos, and humans. Hominoidea is one of the six major groups in the order Primates. The majority are found in forests in Southeastern Asia and Equatorial Africa, with the exception of humans, which have ...
Eastern gorilla: Gorilla beringei: 70–200 ... Chimpanzee: Pan troglodytes ... Kevin Bracy; Clauset, Aaron (2016-12-11), The Evolution of Primate Body Size: Left ...
Eastern chimpanzee, Pan troglodytes schweinfurthii; ... The current size of the human brain is a big distinguishing factor that separates humans from other primates.
The oldest male chimpanzee living in an accredited North American zoo died Saturday at the San Francisco Zoo & Gardens. The chimpanzee, named Cobby, had been a hand-reared performing chimpanzee ...
The following are two lists of animals ordered by the size of their nervous system. ... Eastern rock elephant shrew: 129,000,000 ... Chimpanzee: 2.8 ...