"The Birder’s Bible" for more than 60 years, Roger Tory Peterson’s classic Field Guide to Western Birds includes all species found in North America west of

"In this elegant narrative, celebrated naturalist Ted Floyd guides you through a year of becoming a better birder. Choosing 200 top avian species to teach key l

The status of the rich avifauna of western North America is ever changing in response to human influences, geomorphic processes, and natural climatic variation.