Birds of Prey: Natural History and Conservation of North American Raptors

Snyder, Noel F.R.; Snyder, Helen A.

Atlas of the Breeding Birds of Maryland and the District of Columbia

Robbins, Chandler S.

The Birds of Illinois

Bohlen, H. David

Birds of the Indiana Dunes

Brock, Kenneth J.

A Field Guide to Hummingbirds of North America [HC]

Williamson, Sheri L.

Bird Communities at Sea Off California 1975 to 1983. SAB No. 11

Briggs, Kenneth T.; Tyler, William Breck; Lewis, David B.; Carlson, David R.

Birds of the Carolinas (1st ed)

Potter, Eloise F.; Parnell, James F.; Teulings, Robert P.

Birds of Phoenix and Maricopa County Arizona. Third edition

Witzeman, Janet and Troy Corman

Seabirds of Hawaii: Natural History and Conservation [HC]

Harrison, Craig S.

ABA Field Checklist - Weatherproof field card

American Birding Association

Warblers of the Great Lakes Region and Eastern North America

Earley, Chris G.

Oklahoma Breeding Bird Atlas [HC]

Reinking, Dan L.