Ключевые слова: amusing, animal, animal behavior, animal humor, animal intelligence, animal portrait, animal spectacle, animal thinking, animal with glasses, ape, captive, captivity, charming, chimpanzee, clever, close up, contemplation, curiosity, cute, enclosure, entertaining, expression, eyesight, facial expression, glass barrier, humor, indoors, inquisitive, insight, intelligence, intelligent look, likeness, looking, mammal, mimicry, nature, observation, observing, personality, playful, primate, simian, spectacle, thoughtful, thoughtful primate, wildlife, witty, zoo, zoo animal,