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Formerly the bonobo was known as the "pygmy chimpanzee", despite the bonobo having a similar body size to the common chimpanzee. The name "pygmy" was given by the German zoologist Ernst Schwarz in 1929, who classified the species on the basis of a previously mislabeled bonobo cranium, noting its diminutive size compared to chimpanzee skulls.
Bonobos frequently have sex, sometimes to help prevent and resolve conflicts. Different groups of chimpanzees also have different cultural behaviour with preferences for types of tools. [53] The common chimpanzee tends to display greater aggression than does the bonobo. [54] The average captive chimpanzee sleeps 9 hours and 42 minutes per day. [55]
Wild chimpanzees inhabit various environments in Africa, from dense tropical rainforests to more open woodland and savannah areas. ... Chimpanzees, and the closely related bonobos, are the species ...
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 ...
She is the foremost American authority on this species in the wild and has done extensive field research on the bonobo or pygmy chimpanzees. [2] Her bonobo research examines why bonobos have evolved a very different social system compared to the closely related chimpanzee.
It has conducted research comparing food-sharing and social inhibition among chimpanzees and bonobos. [3] [4] The sanctuary is a refuge west of the Congo Basin for chimpanzees orphaned by bushmeat hunters; authorities deliver the young animals after confiscating them from sellers in the pet or entertainment trades. [5]
Wild chimpanzees predominantly use tools in the context of food acquisition, while wild bonobos appear to use tools mainly for personal care (cleaning, protection from rain) and social purposes. Wild bonobos have been observed using leaves as cover for rain, or the use of branches in social displays.
The chimpanzees in the area have little fear of humans, because of a local legend, that humans and bonobos were cousins. "According to this belief, an older brother in a family of bonobos held to their traditional lifestyle and his descendants thus remained in the forest as bonobos. However, his younger brother was tired of eating raw foods.