This FoldingGuide includes 38 marine mammals commonly seen along the Pacific Northwest coast from San Luis Obispo south to the Mexican border. Includes Baleen, Sperm, and Beaked whales, dolphins, seals, sea lions, otters and more.The illustrations and text are by Pieter Folkens, award-winning marine mammal conservationist and artist. He is the author and illustrator of the National Audubon Society Guide to Marine Mammals of the World, from which the illustrations in this guide are taken.