Birds of Costa Rica
Steve N. G. Howell
The Gull Guide. North America
Amar Ayyash
Slow Birding
Joan Strassmann
The Birds of America
John James Audubon
Remarkable Birds
Mark Avery
Seabirds As Sentinels
Eric Loudon Wagner
Counting Penguins
Peter Watson
Birds of Britain and Europe
Rob Hume
Chicken Boy
Arthur Parkinson
Bird
BirdLife International
Firefly Encyclopedia of Birds
Christopher Perrins
Warblers of Eastern North America
Chris Earley
100 Flying Birds
Peter Cavanagh
Journeys With Emperors
Gerald L. Kooyman
Birdsong in a Time of Silence
Steven Lovatt
