Mammals of Washington and Oregon  
Tamara Eder
Lone Pine Publishing
This comprehensive guide to the mammals of Washington and Oregon features 156 species organized in seven major groups: hoofed mammals, whales, carnivores, rodents, hares and pikas, bats and insectivores and opossums. Supported by full-color illustrations and range maps, the easy-to-read text provides detailed descriptions of each species, along with notes on habitat, food, young and similar species. Quick identification is aided by a reference guide at the front of the book.