Simple text and photographs describe the behaviors and habits of parrots, how they communicate with one another, how they talk to people, and how intelligent they are.
Describes the different ways orangutans display their intelligence, both in the wild and in captivity, explaining how the animals have learned to use tools and communicate.
Presents an introduction to chimpanzees, in simple text with illustrations, providing information on their physical characteristics, habitat, life cycle, and behavior.
Describes the intelligence of sea lions, covering their memory and communication skills; explains how they can be trained to help humans in the U.S. Navy and other fields; and discusses sea lion protection.
Simple text and photographs describe the behaviors and habits of both Asian and African elephants, how they communicate with one another, work, and solve problems.
