剧情简介：This Gem explores and explains the world of whales and dolphins. Over 50 species of whale, dolphin and porpoise are illustrated with the author's own photographs. Aspects covered include: evolution; identification; biology; zoological categorization; feeding habits; and predators. The book answers commonly-asked questions, such as "how intelligent are dolphins?" and "should wha...(展开全部)
作者：Mark Carwardine
出版社：DK ADULT
ISBN：9780789489906
