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
Systematics and Behavior of Some North American Woodpeckers, Genus Picoides (Aves)
Short, Lester L.
National Geographic Field Guide to the Birds of North America, Seventh Edition
DUNN, Jon L. and Jonathan ALDERFER
Bird Lore I-XXXII
The Hummingbirds of North America, Second edition
The Audubon Society Master Guide to Birding, Volume. 3: Old World Warblers to Sparrows
Farrand, John, Jr. (editor)
Birds of Organ Pipe Cactus National Monument
Wilt, Richard A.
The Warblers of North America [Third Edition]
CHAPMAN, Frank M.
A Field Guide to the Nests, Eggs and Nestlings of North American Birds
North American Birds: A Coloring Book
The American Robin: A Backyard Institution
Illustrations by Hall, Martha R.
Handbook of Birds of Eastern North America
Chapman, Frank M.
U.S. Pacific Railroad Surveys: Reports of Explorations and Surveys. Volume IX, Part II
Baird, Spencer Fullerton