Pacific Coast Mammals: A Guide to Mammals of the Pacific Coast States, Their Tracks, Skulls, and Other Signs by Ron Russo, illustrated by Pam Olhausen. Guide to identifying mammals of the Pacific Coast states, whether you've seen the animal itself, or come across tracks, droppings, or other clues it has left behind. Includes tracks and prints, skulls, dental formulas (useful if you find a jawbone or skull) a chart of animal silhouettes, scat (droppings), and a key to other signs, such as chew marks, burrows and dens. Illustrated with detailed line drawings. Includes range maps and a bibliography. Covers California, Oregon, and Washington state.