Biology of the Heteromyidae - Genoways, Hugh H. (American Society of Mammalogists, 1993)

BioRisk : biodiversity & ecosystem risk assessment (Pensoft, 2010)

BIOS (1913)

Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) (1986)

The bird book, illustrating in natural colors more than seven hundred North American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1914)

Bird guide - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1906)

The bird life of Texas - Fuertes, Louis Agassiz, 1874 -1927 (University of Texas Press, 1974)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1899)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1916)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1916)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1899)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1912)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1913)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1922)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1990)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1970)

Bird stories from Burroughs; sketches of bird life taken from the works of John Burroughs - Burroughs, John, 1837 -1921 (Houghton Mifflin company, 1911)

Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1902)

Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton & Co, 1900)

Birds - Heller, Edmund, 1875 -1939 (The Academy, 1904)

The birds and mammals of the western slope of the Azuero peninsula <republic of Panama> - Aldrich, John W. (John Warren), 1906 -1995 (1937)

Birds - Baird, Spencer Fullerton, 1823 -1887 (1858)

Birds' nesting in India: a calendar of the breeding seasons, and a popular guide to the habits and haunts of birds - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Calcutta Central Press, 1877)

Birds' nesting in India. A calendar of the breeding seasons, and a popular guide to the habits and haunts of birds. Illustrated - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Calcutta Central Press, 1877)

The birds of Africa, comprising all the species which occur in the Ethiopian region - Sclater, William Lutley, 1863 -1944 (Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.), 1896)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1843)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1844)

The birds of America, from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (G.R. Lockwood, 1871)

The Birds of Asia - Sharpe, Richard Bowdler, 1847 -1909 (Printed by Taylor and Francis, published by the author, 1850)

The birds of Australia - Gould, John 1804 -1881 (Printed by R. and J. E. Taylor; pub. by the author, 1848)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1890)

The birds of Australia - Lucas, A. H. S. (Arthur Henry Shakespeare) 1853 -1936 (Whitcombe and Tombs Limited, 1911)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1910)

The birds of Australia - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (H.F. & G. Witherby, 1912)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1891)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1920)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1927)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1925)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George. (D. Douglas, 1889)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George (David Douglas, 1895)

The birds of British Guiana : based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (Bernard Quaritch, 1916)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Finley, William L. (William Lovell), 1876 -1953 (South Moulton Company, 1923)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Brooks, Allan 1869 -1946 (South Moulton, 1923)

The birds of California; a complete, scientific and popular account of the 580 species and subspecies of birds found in the state - Finley, William L. (William Lovell), 1876 -1953 (South Moulton, 1923)

The birds of Canada : with descriptions of their habits, food, nests, eggs, times of arrival and departure - Ross, Alexander Milton, 1832 -1897 (Rowsell, 1872)

The birds of Celebes and the neighbouring islands - Meyer, Adolf Bernhard, 1840 -1911 (R. Friedländer & Sohn, 1898)