Bonobo, dwarf chimpanzee, gracile chimpanzee, pygmy chimpanzee ; Chimpanzé nain, chimpanzé pygmé (Fr); Chimpancé pigmeo (Sp)
Tropical and Subtropical Moist Broadleaf Forests
Estimates range from 60,000 to fewer than 5,000 individuals
Endangered EN A2cd (IUCN)
The differences between the common chimpanzee and the Bonobo are slight. The Bonobo has longer legs, shorter arms, and a narrower trunk. It is generally smaller, with a rounder skull and flatter face. Another distinguishing feature is its black face and red lips, and a prominent tail tuft which is retained by adults - chimpanzees only have one at the juvenile stage.
Bonobos exhibit remarkably different social behavior than chimpanzees, with an emphasis on peacemaking.
Colour
Bonobos are covered by black fur, which may turn to a grayish color in aged individuals.