The Tanagers: Natural History, Distribution and Identification
Isler, Morton L.; Isler, Phyllis R.
The Distribution and Habits of Madagascar Birds: Summary of Field Notes of the Mission Zoologique
A Guide to the Birds of Panama With Costa Rica, Nicaragua, and Honduras
Ridgely, Robert S.
A Birder's Guide to Colorado
Holt, Harold R. & James A. Lane
The Birds of British Guiana: Based on the Collection of Frederick Vavasour McConnell
A Guide to the Birds of Costa Rica [Stiles/Skutch]
Stiles, F. Gary; Skutch, Alexander F.
Illustrations by Dana Gardner
Birds of New Guinea
Beehler, Bruce M.; Pratt, Thane K.; Zimmerman, Dale A.
A Guide to the Birds of Mexico and Northern Central America [USED]
Howell, Steve N. G.; Webb, Sophie
Natural Encounters: Biking, Hiking, and Birding Through the Seasons
Beehler, Bruce M. ; With Illustrations by John C. Anderton
Birds by the Shore: Observing the Natural Life of the Atlantic Coast
The End of the Trail
Lowe, Willoughby P.
A Guide to the Birds of Panama
Illustrations by John A. Gwynne, Jr.