Masters of the oceans

whales, dolphins, sharks

Masters of the oceans

whales, dolphins, sharks

Bright Michael


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A compendium of facts about the largest creatures in the sea - whales, dolphins and sharks. Whales and dolphins are mammals, highly sociable, and very sophisticated when it comes to sonar communication. Sharks are more primitive in the sense that they have not changed for many millions of years; they are cold-blooded, ceaselessly on the move, and equipped with an astonishing sense of smell. Topics covered include hydrodynamics, feeding, mating, care of young, social behaviour, communication, survival in captivity, and conservation.
Ean / Isbn
978185375073
Pagine
192
Data pubblicazione
01/01/1991