Life Histories of North American Birds of Prey: Two Volume Set, Parts 1 and 2
Bent, Arthur Cleveland
Life Histories of North American Gulls and Terns
The Birdwatcher's Companion: An Encyclopedic Handbook of North American Birdlife
Leahy, Christopher W.
The Audubon Society Encyclopedia of North American Birds
Terres, John K.
Life Histories of North American Birds, with Special Reference to their Breeding Habits and Eggs
Life Histories of North American Marsh Birds
Life History Studies of Woodpeckers of Eastern North America
Life Histories of North American Wild Fowl. (Parts I & II in one volume)
The Birder's Handbook : A Field Guide to the Natural History of North American Birds
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl
Bird Tracks and Sign : A Guide to North American Species
Elbroch, Mark; Marks, Eleanor; Boretos, Diane C.
The Bird Almanac: A Guide to Essential Facts and Figures of the World's Birds
Bird, David M.
Birder's Conservation Handbook: 100 North American Birds at Risk
WELLS, Jeffrey V.