Query: sibley field guide to birds of western north america
The Sibley Field Guide to Birds of Western North America: Second Edition by David Sibley (2016-03-29)
The Sibley Field Guide to Birds of Western North America
The Sibley Guide to Birds, 2nd Edition (Sibley Guides)
Sibley Birds West: Field Guide to Birds of Western North America
Sibley's Birding Basics: How to Identify Birds, Using the Clues in Feathers, Habitats, Behaviors, and Sounds (Sibley Guides)