Ключевые слова: animal, animals, ape, apes, background, behavior, brains, brown, chimp, chimpanzee, construction, cooperation, discussion, emotion, emotions, expression, expressive, face, fauna, fur, great, grimace, hair, human, humanlike, imitation, intellect, israel, jungle, logs, mammal, mind, monkey, nature, park, primate, primates, primatology, protection, reserve, safari, smart, sociable, teamwork, tree, tropical, understanding, young, zoo, zoology,