The birds of the Lake St. Martin region, Manitoba - Royal Ontario Museum of Zoology. (Royal Ontario Museum of Zoology], 1937)

The birds of the Ligonier Valley - Leberman, Robert C. (Carnegie Museum of Natural History, 1976)

Birds of the New York city region - Linnaean Society of New York ([American Museum of Natural History], 1923)

Birds of the Northwest: a hand-book of the ornithology of the region drained by the Missouri River and its tributaries - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1874)

Birds of the Pacific coast, including a brief account of the distribution and habitat of one hundred and eighteen birds that are more or less common to the Pacific coast states and British Columbia, many of which are found eastward to the Rocky mountains and beyond - Eliot, Willard Ayres, 1871 - (G. P. Putnam's sons, 1923)

Birds of the Pacific slope of Los Angeles County : a list with brief notes - Grinnell, Joseph, 1877 -1939 (Pasadena Academy of Sciences], 1898)

The birds of the Red Deer River, Alberta - Taverner, P. A. (Percy Algernon), 1875 -1947 (s.n, 1919)

The birds of the Red Deer River, Alberta - Taverner, P. A. (Percy Algernon), 1875 -1947 (1919)

Birds of the Rockies - Keyser, Leander S. (Leander Sylvester), 1856 -1937 (A. C. McClurg and co, 1902)

Birds of the St. Croix River Valley, Minnesota and Wisconsin - Faanes, Craig A. (Fish and Wildlife Service, 1981)

Birds of the Superior National Forest - United States. Forest Service. (Dept. of Agriculture, Forest Service, 1980)

Birds of the Superior National Forest - United States. Forest Service. Eastern Region. (Eastern Region, Forest Service, U.S. Dept. of Agriculture, 1978)

The birds of the vicinity of Lake Nipissing, Ontario - Ricker, William Edwin. (Royal Ontario Museum], 1939)

Birds of the vicinity of the University of Indiana - McAtee, W. L. (Waldo Lee) 1883 -1962 (1905)

Birds of the West; an account of the lives and the labors of our feathered friends - Holmes, Charles Edgar (Hammond & Stephens co, 1907)

Birds of the world for young people - Knight, Charles Robert, 1874 -1953 (F.A. Stokes Company, 1909)

Birds of the world; a popular account - Ridgway, Robert, 1850 -1929 (Holt, 1909)

Birds of village and field: a bird book for beginners - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1898)

The birds of Washington : a complete, scientific and popular account of the 372 species of birds found in the state - Bowles, John Hooper, 1875 -1934 (The Occidental publishing co, 1909)

The birds of Washington : a complete, scientific and popular account of the 372 species of birds found in the state - Bowles, John Hooper, 1875 -1934 (Occidental Pub. Co, 1909)

The birds of Washington; a complete, scientific and popular account of the 372 species of birds found in the state - Bowles, John Hooper, 1875 -1934 (The Occidental Pub. Co, 1909)

Birds of Washington and vicinity : including adjacent parts of Maryland and Virginia - Bailey, Florence Merriam, 1863 -1948 (Woodward & Lothrop, 1902)

Birds of Washington and vicinity, including adjacent parts of Maryland and Virginia - Maynard, Lucy Warner, 1852 -1936 (1898)

Birds of West Virginia - Doan, Wm. D. (William D.) (1888)

Birds of West Virginia, their economic value and aesthetic beauty ... - West Virginia. State ornithologist. (1923)

Birds of western Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (King's Printer, 1926)

Birds of western New York - Eaton, Elon Howard, 1866 -1934 (The Society, 1901)

The birds of Wyoming - Knight, Wilbur C. (Wilbur Clinton), 1858 -1903 (Wyoming Experiment Station], 1902)

The birds of Wyoming, with an explanation of recent changes in their distribution; economic aspect also considered - Grave, B. H. (Benjamin Harrison), 1878 -1949 (University of Wyoming, 1913)

Birds of Yellowstone and Grand Teton National Parks - United States. National Park Service. (Yellowstone Library and Museum Association, in cooperation with National Park Service, U.S. Dept. of Interior)

Birds of Yellowstone and Grand Teton National Parks - Follett, Dick. (Yellowstone Library and Museum Association in cooperation with National Park Service, U.S. Dept. of Interior, 1900)

Birds protected by federal law - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1965)

Birds protected by federal law - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1966)

Birney-Decker wildlife study : progress report no. 2, spring and summer (March 1975-August 1975) - Knapp, Stephen J. (The Dept.], 1975)

Birney-Decker wildlife study Progress Report No. 2 : Spring and Summer - United States. Bureau of Land Management. (Montana Department of Fish and Game, Environment and Information Division, 1975)

The blessed birds; or, Highways and byways - Fish, Eldridge Eugene. (O. Ulbrich, 1890)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2009)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1999)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2016)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2010)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1961)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1969)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1962)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1963)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1898)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1900)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1952)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1957)

The book of birds : common birds of town and country and American game birds - Fuertes, Louis Agassiz, 1874 -1927 (National Geographic Society, 1918)

The book of birds; common birds of town and country and American game birds - Fuertes, Louis Agassiz, 1874 -1927 (National Geographic Society, 1921)

Breeding-bird populations in the jack pine and mixed jack pine/deciduous stands in central Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1995)

Breeding birds and small mammals in pole-sized lodgepole pine and small inclusions of aspen in central Colorado - Crouch, Glenn LeRoy, 1929 - (1988)

Breeding birds in uncut aspen and 6- to 10-year-old clearcuts in southwestern Colorado - Crouch, Glenn LeRoy, 1929 - (1988)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1879)

Brehms Tierleben; allgemeine kunde des thierreichs. Mit 1910 abbildungen im text, 11 karten und 180 tafeln in farbendruck und holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institute, 1893)

Brehms Tierleben : allgemeine Kunde des Tierreichs : mit 1800 Abbildungen im Text, 9 Karten und 180 Tafeln in Farbendruck und Holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1891)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1958)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1963)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1967)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1980)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1981)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1986)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1989)

The British bird book : an account of all the birds, nests and eggs found in the British Isles - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (T.C. & E.C. Jack, 1910)

British birds (1955)

British birds (1957)

British birds (1962)

British birds (1963)

British birds (1964)

British birds (1968)

British birds (1969)

British birds (1970)

British birds (1972)

British birds (1973)

British birds (1975)

British birds (1976)

British birds (1978)

British birds (1979)

British birds (1980)

British birds (1982)

British birds (1983)

British birds (1984)

British birds (1988)

British birds (1990)

British birds (1991)

British birds (1992)

British birds (1993)

British birds (1995)

British birds (1996)

British birds (1997)

British birds (1998)

British birds (1999)

British birds (2000)

British birds (2001)

British birds (2003)

British birds (2004)

British birds (2005)

British birds (2007)

British birds (2008)

British birds (2009)

British birds (2010)

British birds (2011)

British birds (2012)