Here is a spectacular and informative guide to the lives of the great apes, monkeys and other primates. Superb color photographs of gorillas, orangutans, macaques, baboons, lemurs and numerous other primate species offer a unique "eyewitness" view of some of the world's most intelligent animals. See a great silverback gorilla, the monkey with the biggest nose, how gibbons swing through the trees, multicolored marmosets and a day in the life of a gorilla family. Learn about the knuckle walk, how a tail becomes a hand, why gorillas build nests, which South American monkeys have the loudest call and how orangutans got their name. Discover why mountain gorillas are endangered, how chimpanzees communicate, why ring-tailed lemurs wave their tails in the air, which monkeys can run like cheetahs and why pottos fall out of trees, and much, much more!.