The Pacific Ocean off the west coast of North America - ranging from the south coast of Alaska to the Equator - encompasses many marine environments, from warm tropics to cold temperate waters, and from the shallow continental shelf to deep ocean canyons. A diverse number of marine mammals have adapted characteristics to survive and prosper in each of these environments. Beaked and sperm whales spend their time in the deep ocean. Most dolphin species favour warmer waters, while a few prefer cooler climes. Porpoises avoid the tropics altogether. Harbour seals stay near the temperate coast, as do sea otters.
"Marine Mammals of British Columbia and the Pacific Northwest" depicts all fifty species of living marine mammals known to inhabit these waters, including the smallest (the sea otter, from the order Carnivora) and the largest (the blue whale, from the Mysticeti suborder of Cetacea). Here, featured in beautiful, full colour illustrations and photos, are all the whales you are likely to see in BC and the Pacific Northwest - from humpbacks, greysand orcas, to bottlenose dolphins and Dall's porpoises - as well as sea lions and five species of seals. This three-fold handy pocket guide also includes a habitat key, identification tips, marine mammal-watching guidelines and an illustrated glossary of common visible behaviours of marine mammals in the wild.

The National Audubon Society Guide to Marine Mammals of the World describes in fascinating detail all 120 species of the world's whales, dolphins, porpoises, seals and sea lions, manatees, Marine and Sea Otters, and the Polar Bear. Written by a team of experts and featuring more than 320 illustrations, 418 photographs, and 123 maps, this new guide offers more authoritative, up-to-date, and accessible information than any book previously published on the subject.

Organized by the four major groups of marine mammals—marine fissipeds, pinnipeds, cetaceans, and sirenians—the species descriptions include:

Full-color paintings, some depicting males and females, juveniles, subspecies, or special features. Color photographs showing appearance in the wild and illustrating typical behaviors. Life history data, including length and weight at various life stages, and life span. Range and habitat text and a full-color range map based on the most current information. Facts about social organization, surface behaviors, swimming, and diving. Information on mating behavior, breeding, and the rearing of young. Details about food items and foraging techniques. Estimates of population in the wild, plus current and historic threats.

A general introduction outlines the evolution and taxonomy of marine mammals, distribution, migration, watching guidelines, identification techniques, organizations and laws that protect marine mammals, and more.

Introductions to groups include comparative size illustrations, discussion of behaviors particular to the group, and other unique features.

A useful illustrated glossary of terms and an index of species names complete the guide.

Exquisitely detailed illustrations, stunning photographs, and clearly written text combine to make this an indispensible reference source for marine mammal watchers and anyone interested in the natural world.