Kingbird Highway: The Story of a Natural Obsession That Got a Little Out of Hand
America's 100 Most Wanted Birds: Finding the Rarest Regularly Occuring Birds in the Lower 48 States
Mlodinow, Steven G.; O'Brien, Michael
The Ducks, Geese and Swans of North America: a Vade Mecum for the Naturalist and the Sportsman
Kortright, Francis H.
Illustrations by T.M. Shortt
Hawks, Eagles and Falcons of North America: Biology and Natural History
Johnsgard, Paul A.
A Guide to the Identification and Natural History of the Sparrows of the United States and Canada.
Rising, James D.
North American Owls: Biology and Natural History [First Edition]
ABA Field Checklist - Weatherproof field card
American Birding Association
Birds of North America: A Guide to Field Identification. A Golden Field Guide
Robbins, Chandler S., Bertel Bruun, and Herbert S. Zim
The Sibley Guide to Bird Life and Behavior
Sibley, David Allen
Fauna Boreali-Americana. Part Second: The Birds
Swainson, William & John Richarson
Hummingbirds of North America: The Photographic Guide
Howell, Steve N.G.
Life Histories of North American Thrushes, Kinglets, and Their Allies
Bent, Arthur Cleveland and Collaborators