A Biological Investigation of the Athabaska-Mackenzie Region
PREBLE, Edward A
A.O.U. Check-list of North American Birds, Sixth edition
Better Birdwatching in the Southwest [DVD] Field Guide
The Birds of Newfoundland Labrador
Austin, Oliver L., Jr.
Huron North: Bird Watching & Driving Tours Map
Birds in Boreal Canada: Communities, Densities and Adaptations
Erskine, Anthony J.
A Distributional List of the Birds of British Columbia
Brooks, Allan; Swarth, Harry S.
Avian Habitat Suitability Along a Transmission-Line Corridor in an Oak-Hickory Forest Region.
Chasko, Gregory G; Gates, J. Edward
Ecology and Behavior of the Long-billed Curlew in Southeastern Washington.
Allen, Julia N.
Butterflies through Binoculars. A Field Guide to the Butterflies of Eastern North America
Dragonflies through Binoculars: A Field Guide to Dragonflies of North America.
Dunkle, Sidney W.
Conservation and Biology of Small Populations: The Song Sparrows of Mandarte Island.
SMITH, James N. M.; KELLER, Lukas F.; MARR, Amy B.; ARCESE, Peter