Ключевые слова: adult, africa, african, animal, animals, ape, apes, behavior, behaviors, bonobo, bonobos, chimp, chimpanzee, chimpanzees, chimps, couple, dwarf, eating, endangered, exotic, female, fleas, gracile, great, groom, grooming, hominidae, human, lice, male, mammal, mammals, monkey, monkeys, pan, pan paniscus, paniscus, picking, popular, primate, primates, pygmy, social, socialized, specie, species, threatened, tropical, zoo, zoology,