The California Woodpecker and I: A Study in Comparative Zoology
RITTER, William Emerson
Bird Recognition Volume One: Sea-Birds and Waders
Birdcraft: A Field Book of Two Hundred Song, Game, and Water Birds
Wright, Mabel Osgood
Parrots:Their Care and Breeding:
Ornithology, First edition
Gill, Frank B.
A Bundle of Feathers
Ripley, Sidney Dillon,II, Editor
The Birds of John Burroughs: A Great Naturalist's Meditations and Essays on Bird Watching
Weather and Bird Behaviour
A Field Guide to the Nests, Eggs and Nestlings of North American Birds
Manual of Neotropical Birds
Blake, Emmet Reid
The Herons of the World
Hancock, James; Elliott, Hugh
Global Warming and Biological Diversity
Peters, Robert L.; Lovejoy, Thomas E.
The Ascent of Birds: How Modern Science is Revealing their Story
The Black-Capped Chickadee: Behavioral Ecology and Natural History
Smith, Susan M.
The Ruff: Individuality in a Gregarious Wading Bird
Van Rhijn, Johan G.
A Field Guide to the Nests, Eggs and Nestlings of British and European Birds
The Great Gray Owl: Phantom of the Northern Forest
NERO, Robert W.
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
Cowbirds and Other Brood Parasites
Ortega, Catherine P.
Woodpeckers: An Identification Guide to the Woodpeckers of the World
Winkler, Hans, with David A. Christie and David Nurney
North American Owls: Biology and Natural History [First Edition]
Johnsgard, Paul A.
Listening in the Field: Recording and the Science of Birdsong
Social Behaviour in Animals: with Special Reference to Vertebrates