An introduction to blue whales, covering survival in the wild, raising of young, relationships to other species, and protection and conservation issues.
At long last, Admiral James T. Kirk and the "Starship Enterprise" crew begin their long journey home, but when a mysterious, threatening intruder appears, they must embark on one more mission--through time--in order to save both their past and their future.
Describes the biological makeup and behavior of some twenty whale species, including killer whales, blue whales, dolphins, and porpoises, and discusses their relationship to man and their threat of extinction.
Covers the basic organization of cetaceans, describes their evolution and behavioral patterns, and discusses topical issues such as the bowhead hunts in Alaska.