The birds of Canada /

Measurements of birds /
by: Baldwin, S. Prentiss (Samuel Prentiss), 1868-1938, et al.
Published: (1931)

Breeding birds in a Florida suburb /
by: Woolfenden, Glen Everett, 1930-, et al.
Published: (1969)

How many species of birds have existed?
by: Brodkorb, Pierce, 1908-1992
Published: (1960)

Catalogue of fossil birds ; pt. 2 : Anseriformes through Galliformes.
by: Brodkorb, Pierce, 1908-1992
Published: (1964)

The breeding birds of Kansas /
by: Johnston, Richard F.
Published: (1964)

Observations on some Wyoming birds /
by: Fuller, Arthur Bennett, 1893-

Birds of eastern Newfoundland /
by: Aldrich, John Warren
Published: (1939)

Physiology of the temperature of birds /
by: Baldwin, S. Prentiss (Samuel Prentiss), 1868-1938
Published: (1932)

The birds of the Santa Marta region of Colombia : a study in altitudinal distribution /
by: Todd, W. E. Clyde (Walter Edmond Clyde), 1874-1969
Published: (1922)

Birds of Canada /
by: Taverner, P. A. (Percy Algernon), 1875-1947
Published: (1953)

Birds of Canada /
by: Taverner, P. A. (Percy Algernon), 1875-1947
Published: (1940)

Birds and nature.
Published: (1900)

The birds of Costa Rica : distribution and ecology.
by: Slud, Paul
Published: (1964)

A comparative study of bird populations in Illinois, 1906-1909 and 1956-1958 /
by: Graber, Richard Rex
Published: (1963)

The birds of the Belgian Congo /
by: Chapin, James Paul, 1889-
Published: (1932)

Birds from North Borneo /
by: Thompson, Max C.
Published: (1966)

The distribution of birds in Venezuelan páramos /
by: Vuilleumier, François, 1938-
Published: (1978)

Birds from Coahuila, Mexico.
by: Urban, Emil K.
Published: (1959)

Birds of the Niagara frontier region : an annotated checklist /
by: Beardslee, Clark Smith, 1898-1957
Published: (1965)

Notes on summer birds of the northwestern parishes of Louisiana /
by: Strecker, John Kern, 1875-1933
Published: (1928)

A quantitative study of the nocturnal migration of birds.
by: Lowery, George H., Jr., 1913-1978
Published: (1951)

Descriptions of new birds from Oregon : chiefly from the Warner Valley region /
by: Oberholser, Harry C. (Harry Church), 1870-1963
Published: (1932)

Summer birds from the Yucatan Peninsula, Mexico /
by: Klaas, Erwin E.
Published: (1968)

A list of birds recorded from the Bermudas /
by: Bradlee, Thomas S.
Published: (1931)

Arctic birds of Canada /
by: Snyder, L. L. (Lester Lynne), 1894-1968
Published: (1957)

Birds of central New Guinea ; results of the American Museum of Natural History expeditions to New Guinea in 1950 and 1952 /
by: Mayr, Ernst, 1904-2005
Published: (1954)

A bird-finding guide to Canada /
Published: (2000)

Birds from the State of Veracruz, Mexico /
by: Lowery, George H., Jr., 1913-1978
Published: (1951)

The Indians of Canada /
by: Jenness, Diamond, 1886-1969
Published: (1963)

A century in the history of the Geological Survey of Canada.
by: Alcock, F. J. (Frederick James), 1888-1972
Published: (1947)

Thoracic and coracoid arteries on two families of birds, Columbidae and Hirundinidae.
by: Jenkinson, Marion Anne
Published: (1964)

Pleistocene birds from New Providence Island, Bahamas.
by: Brodkorb, Pierce, 1908-1992
Published: (1959)

New species of mollusks from the Atlantic and Pacific coasts of Canada /
by: Dall, William Healey, 1845-1927
Published: (1913)

Birds of the White-Fuller Expedition to Kenya, East Africa /
by: Oberholser, Harry C. (Harry Church), 1870-1963
Published: (1945)

Birds in peril : a guide to the endangered birds of the United States and Canada /
by: Mackenzie, John P. S.
Published: (1977)

Birds in peril : a guide to the endangered birds of the United States and Canada /
by: Mackenzie, John P. S.
Published: (1977)