any of the large anthropoid apes of the family Pongidae

chimpanzees; more closely related to Australopithecus than to other pongids

masked or pale-faced chimpanzees of western Africa; distantly related to the eastern and central chimpanzees; possibly a distinct species

long-haired chimpanzees of east-central Africa; closely related to the central chimpanzees

black-faced chimpanzees of central Africa; closely related to eastern chimpanzees

small chimpanzee of swamp forests in Zaire; a threatened species

chimpanzees; more closely related to Australopithecus than to other pongids