Natural Encounters: Biking, Hiking, and Birding Through the Seasons

Beehler, Bruce M. ; With Illustrations by John C. Anderton

Birds of Maryland, Delaware, and the District of Columbia

Beehler, Bruce M., photography by Middleton Evans

Birds of Maryland and the District of Columbia

Stewart, Robert E. and Chandler S. Robbins

Field Guide to the Natural World of Washington, D.C.

Youth, Howard

Finding Birds in the National Capital Area

Wilds, Claudia

Checklist of Birds of the Mid-Atlantic Area

STOTT, William R. Jr.; Fleming, Gregory W.