Backyard beginners and dedicated life-listers alike will love the expanded new edition of this trusted guide to the birds of western United States and Canada, including Hawaii. With new text, revised art, and data - derived range maps, this valuable resource complements the apps and online resources used by birders today. With groundbreaking new features plus tried-and-true traditions, this field guide offers: More pages, more species, than the earlier edition - Nearly 1,000 species, 717 likely to be observed and 253 that appear more rarely - Organised according to current taxonomy - User-friendly format with explanatory text on the left and matching annotated illustrations on the right - Easy-to-carry paperback with thumb tabs and a visual index for easy navigation - All-new maps based on crowd-sourced data from the Cornell Lab of Ornithology's eBird, the world’s top database of bird observations - All told, this second edition of the National Geographic Field Guide to the Birds of the United States and Canada West is a must-have guide for birders young and old, avid and beginner.