Finding Birds in Southern Illinois
Detwiler, Henry D.
Birds of the UK Overseas Territories
Riddington, Roger
Raptor Prey Remains: A Guide to Identifying What's Been Eaten by a Bird of Prey
Drewitt, Ed
Flight Lines: Across the Globe on a Journey with the Astonishing Ultramarathon Birds
Darby, Andrew
Hawaii's Birds (Seventh edition)
Hawaii Audubon Society
Illustrated Checklist of the Mammals of the World
Josep del Hoyo and Nigel J. Collar, Chief Authors
Uplands and Birds (New Naturalist Library 142)
Newton, Ian
Birds of the Philippines [Flexi-binding]
Allen, Desmond
The Largest Avian Radiation: The Evolution of Perching Birds, or the Order Passeriformes
Fjeldsa, Jon, Les Christidis, and Per G. P. Ericson, editors
Great Gray Owl: A Visual Natural History
Bannick, Paul
Snowy Owl: A Visual Natural History
What Is a Bird? An Exploration of Anatomy, Physiology, Behavior, and Ecology
Williams, Tony, editor, with contributions by Mcwilliams, Scott, Clarke, Julia A., Macdougall-shackleton, Elizabeth, Macdougall-shackleton, Scott