National Audubon Society Field Guide to North American Birds--W: Western Region - Revised Edition

This bestselling field guide features a durable vinyl binding and brilliant full-color photographic identification pictures arranged for quick access and definitive text, including information on the bird's voice, nesting habits, habitat, range, and interesting behaviors. Accompanying range maps; overhead flight silhouettes; and sections on bird-watching, accidental species, and endangered birds make the the most comprehensive available. Note: The Western Edition covers the Rocky Mountain range and all the states to the west of it, while the Eastern Edition generally covers states east of the Rocky Mountains.