marine mammals

Discusses the characteristics, behavior, and habitats of marine mammals such as whales, dolphins, sea lions, seals, and walruses.

Presents a comprehensive guide with over one hundred forty illustrated photographs of marine mammals and discusses their physical traits, habitat, scientific names, and the status of threatened species.

A photographic study of whales, dolphins, and porpoises; describing their origin, distribution, and ecology; looking at the differences and similarities among the species; discussing anatomy, reproduction, social life, sensory systems, growth, and intelligence; and reviewing the interaction between whales and humans throughout history.

Presents an introduction to dolphins, in simple text with illustrations, providing information on their physical characteristics, habitat, life cycle, and behavior.

Interesting, full-color photographs will captivate readers and accessible text will engage them as they learn about these dolphins' unique adaptations, their watery habitat, and why they are in danger of extinction.

Discusses the evolution, physical characteristics, habitat, ecological role, behavior, and threatened future of whales, polar bears, sea otters, walruses, and other marine mammals.

Discusses the evolution, physical characteristics and behavior of marine mammals and birds and explains why many of these animals are threatened with extinction and what can be done to save them.

Discusses the physical characteristics and behavior of whales, dolphins, seals, walruses, and other marine mammals.

Surveys the major groups and species of marine mammals including whales, manatees, sea lions, seals, otters, and bears.

Describes the physical characteristics, habits, and natural environment of various species of whales, and includes color photographs.