Describes the physical characteristics, habitat, food habits, and defense mechanisms of this mammal, which is the largest member of the dolphin family.
Discusses the size, physical characteristics, feeding and breeding habits, migration, abilities, and endangered status of orcas, also known as "killer whales.".
Describes the physical characteristics, familial behavior, and special characteristics of killer whales. Poses the question of whether a captured killer whale can locate his family if returned to the sea.