Field Guide to the Birds of Japan (Helm Field Guides)

Birds of Utah Field Guide (Bird Identification Guides)

Birds of Costa Rica (Princeton Field Guides, 140)

Birds of West Virginia Field Guide (Bird Identification Guides)

Birds of the Northeast: Your Way to Easily Identify Backyard Birds (Adventure Quick Guides)

Birds of Kansas Field Guide

Birds of Nebraska Field Guide (Bird Identification Guides)

California Nature Set: Field Guides to Wildlife, Birds, Trees & Wildflowers of California

Colorado Birds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification)

A Most Remarkable Creature: The Hidden Life of the World's Smartest Birds of Prey