Field Guide to the Birds of North America

National Geographic Complete Birds of North America, 2nd Edition: Now Covering More Than 1,000 Species With the Most-Detailed Information Found in a Single Volume

National Wildlife Federation Field Guide to Birds of North America

National Geographic Field Guide to the Birds of North America, Sixth Edition

The Stokes Field Guide to the Birds of North America (Stokes Field Guides)

Kaufman Field Guide to Birds of North America

Birds of North America: A Guide To Field Identification (Golden Field Guide f/St. Martin's Press)

The New Stokes Field Guide to Birds: Eastern Region

Kaufman Field Guide to Advanced Birding (Kaufman Field Guides)

Birds of Western North America: A Photographic Guide (Princeton Field Guides)

National Wildlife Federation Field Guide to Trees of North America