Field Guide to Whales, Dolphins and Porpoises of North America

Practical and portable, this is the ultimate field guide for any whale-watcher in North America This outstanding field guide provides the most comprehensive, authoritative and up-to-date coverage of the whales, dolphins and porpoises that occur off the coasts of North America. Packed with accurate illustrations - complete with detailed annotations pointing out significant field marks - Field Guide to Whales, Dolphins and Porpoises of North America covers all 54 species and every subspecies that occurs in the region. Many of the world's most respected whale biologists have collaborated on the concise text, which is packed with helpful identification tips from cetacean expert Mark Carwardine. The text is accompanied by up-to-date distribution maps for each species. Beautifully designed to ensure critical information is quickly accessible, this is an indispensable resource that every whale-watcher in the USA, Mexico or Canada will be carrying out to sea in search of these awesome mammals.