Birds of Argentina and the South-West Atlantic. Princeton Field Guides

Pearman, Mark and Juan Ignacio Areta

Illustrations by Aldo Chiappe, Jorge Rodriguez Mata, Richard Johnson & Alan Harris

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

Bannick, Paul