Return to the sea : the life and evolutionary times of marine mammals / Annalisa Berta ; illustrated by James L. Sumich and Carl Buell.

The life and evolutionary times of marine mammals, from giant whales and sea cows that originated 55 million years ago whose ancestors walked on land, to deep diving elephant seals and clam-eating walruses of modern times.

Bibliographic Details

Online Access:	Full Text (via ProQuest)
Main Author:	Berta, Annalisa (Author)
Format:	eBook
Language:	English
Published:	Berkeley, CA : University of California Press, 2012.
Edition:	1st ed.
Subjects:	Marine mammals > Evolution. Marine animals > Evolution.