Hawks In Flight: Second Edition

Birds of New Jersey Field Guide (Bird Identification Guides)

Ducks, Geese, and Swans of North America: 2-vol. set

Owls of the World: A Photographic Guide

How Birds Work: An Illustrated Guide to the Wonders of Form and Function―from Bones to Beak (How Nature Works)

The Enigma of the Owl: An Illustrated Natural History

Field Guide to the Birds of Madagascar and the Indian Ocean Islands (Helm Field Guides)

East Africa Birds: A Folding Pocket Guide to Familiar Species in Kenya, Tanzania & Uganda (Wildlife and Nature Identification)

Owls: The Majestic Hunters (Favorite Wildlife)

Stokes Beginner's Guide to Birds: Eastern Region (Stokes Field Guide Series)