Mammals, Marine Life 

The massive killer whales--or orca--once roamed the oceans like deep-sea pirates, creating a wake of both fear and curiosity. Today, the gentile giants are less dreaded and more respected as the intelligent and adaptable creatures that they are. Killer whales are the largest member of the dolphin family, and like their dolphin cousins, are extremely social. The top predators in the marine food chain, they have well-established societies and complex, lifelong family relationships. Killer Whales provides the most up-to-date information on these impressive creatures. You'll discover their mythical status through the centuries, and learn about their intricate societal structure and their incredible biological design. Killer Whales also explores the modern-day threats facing orca. Also recommended: Blue Whales, Beluga Whales, Humpback Whales, Sperm Whales, Porpoises, Bottlenose Dolphins. - from Amzon