Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1887)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1890)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1892)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1902)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

La biodiversidad en Aguascalientes : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

La biodiversidad en Campeche : estudio de Estado - Villalobos-Zapata, Guillermo Jorge (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2010)

La biodiversidad en Chiapas : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2013)

La biodiversidad en Chihuahua : estudio de estado - Barajas, Nélida (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2014)

La biodiversidad en Coahuila estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2017)

La biodiversidad en Colima estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

La biodiversidad en Guanajuato: estudio de Estado - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2012)

La biodiversidad en Jalisco estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2017)

La biodiversidad en la Ciudad de México - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2016)

La biodiversidad en Michoacán: estudio de estado - Leal Nares, Oscar Adrián (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2005)

La biodiversidad en Veracruz : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2011)

Biodiversity journal (Edizioni Danaus, 2013)

Biodiversity journal (Edizioni Danaus, 2015)

Biologia centrali-americana: Aves - Godman, Frederick Du Cane, 1834 -1919 (R.H. Porter], 1897)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1897)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1966)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1897)

Biophysical inventory, significant, sensitive and disturbance features of the Whaleback area - Geowest Environmental Consultants Ltd. (GEOWEST Environmental Consultants Ltd, 1997)

Biophysical land classification, range assessment and significant features assessment of the Hand Hills Ecological Reserve - Cornish, Beth. (Alberta Environmental Protection, Resource Data Division, 1997)

Biophysical overview, significant, sensitive and disturbance features of the Saddle Hills, Alberta - Bentz, Jerry A. (GEOWEST Environmental Consultants Ltd, 1999)

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

Biosphere Reserves, Compilation 5, October 1990: programme on man and the biosphere (MAB) (1990)

Bird and small mammal populations in a grazed and ungrazed riparian habitat in Idaho - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1990)

Bird banding in North America : the first hundred years - Jackson, Jerome A (Nuttall Ornithological Club, 2008)

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

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1989)

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

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1991)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1992)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1993)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1996)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 1997)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1966)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1968)

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

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1974)

Bird status and distribution on the Cedar River and Grand River National Grasslands, 2011 - Dakota Prairie National Grasslands (Agency : U.S.) (U.S. Dept. of Agriculture, Forest Service, Dakota Prairie Grasslands, 2011)

Bird status and distribution on the Fort Pierre National Grassland, 2016 - Mares, Ruben, (Forest Service, Department of Agriculture, 2016)

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

Birds. Collected excerpts from v. 10 of Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (1900)

Birds in Kansas - Thompson, Max C. (University of Kansas, Museum of Natural History, 1989)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2011)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2012)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2013)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2014)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2015)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2016)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2017)

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 Ayrshire and Wigtownshire - Gray, Robert, 1825 -1887 (T. Murray, 1869)

The birds of Berkshire and Buckinghamshire : a contribution to the natural history of the two counties - Kennedy, Alexander W. M. Clark (Alexander William Maxwell Clark), 1851 -1894 (Ingalton and Drake, 1868)

The birds of Breconshire - Phillips, Edward Cambridge, 1840 - (E. Davies, 1899)

Birds of Cimarron National Grassland - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain, Forest and Range Experiment Station, 1996)

The birds of Dorsetshire; a contribution to the natural history of the county - Mansel-Pleydell, John Clavell, 1817 -1902 (R.H. Porter; [etc., etc, 1888)

The birds of east Pennsylvania and New Jersey - Turnbull, William Paterson, 1830 -1871 (H. Grambo & Co, 1869)

Birds of Eastern and Southern Asia - Balfour, Edward, 1813 -1889 (s.n, 1873)

The Birds of Europe - Lear, Edward, 1812 -1888 (Printed by R. and J.E. Taylor, pub. by the author, 1837)

The birds of Great Britain - Gould, John 1804 -1881 (Printed by Taylor and Francis, published by the author, 1873)

The birds of Great Britain, systematically arranged, accurately engraved, and painted from nature ... - Lewin, William, 1795 (1801)

The birds of Guyana (formerly British Guinna) : a check list of 720 species - Snyder, Dorothy Eastman. (Peabody Museum, 1966)

The birds of India : being a natural history of all the birds known to inhabit continental India, with descriptions of the species, genera, families, tribes, and orders, and a brief notice of such families as are not found in India, making it a manual of ornithology specially adapted for India - Jerdon, T. C. (Thomas Claverhill), 1811 -1872 (Printed for the Author by the Military Orphan Press, 1864)

The birds of Lincolnshire - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1955)

The birds of Long Island - Giraud, J. P. (Jacob Post), 1811 -1870 (Wiley & Putnam, 1844)

Birds of Maryland and the District of Columbia - Robbins, Chandler S. (U.S. Dept. of the Interior, Fish and Wildlife Service, 1958)

The birds of Middlesex. A contribution to the natural history of the county - Harting, James Edmund, 1841 -1928 (J. Van Voorst, 1866)

The birds of New England and adjacent states : ... arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and Co, 1875)

The birds of New England and adjacent states ... : arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Lockwood, Brooks, 1880)

The birds of New England and adjacent states : ... arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds and accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and company, 1872)

The birds of New England and adjacent states : containing descriptions of the birds of New England, and adjoining states and provinces, arranged by a long-approved classification and nomenclature ... with illustrations of many species of the birds, accurate figures of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, and company, 1875)

The birds of New England and adjacent states: containing descriptions of the birds of New England ... together with a history of their habitats ... ; with illustrations of many species of the birds, and accurate figures of their eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, 1870)

The birds of New England - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Noyes, Holmes, 1870)

The birds of New Hampshire - Fox, Robert P. ([Nuttall Ornithological Club], 2013)

Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1910)

Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1914)

The birds of Norfolk : with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1890)

The birds of North America : one hundred and nineteen artistic colored plates representing the different species and varieties drawn and colored from nature : including a copious text giving a popular account of their habits and characteristics, based on observations made in the field by the most eminent writers on ornithology : prefaced by a systematic table and index to page, plate and figure - Chapman, Frank M. (Frank Michler), 1864 -1945 (Published under the auspices of the Natural Science Association of America, 1903)

The birds of North America; one hundred and nineteen artistic colored plates representing the different species and varieties, drawn and colored from nature. Including a copious text giving a popular account of their habits and characteristics, based on observations made in the field by the most eminent writers on ornithology. Prefaced by a systematic table and index to page, plate and figure. Arranged according to the classification adopted by the American Ornithologists' Union - Chapman, Frank M. (Frank Michler), 1864 -1945 (Published under the auspices of the Natural Science Association of America, 1895)

The birds of North America : the descriptions of species based chiefly on the collections in the Museum of the Smithsonian Institution - Baird, Spencer Fullerton, 1823 -1887 (J.B. Lippincott & Co, 1860)

The birds of Ohio; a revised catalogue - Jones, Lynds, 1865 -1951 (Academy of Science, 1903)

The birds of our country - Stewart, H. E. (Digby, Long & Co, 1898)

The birds of our country - Stewart, H. E. (Digby, Long, 1897)

The birds of our rambles : with a companion for the country - Dixon, Charles, 1858 -1926 (Chapman and Hall, 1891)

The birds of Shetland: with observations on their habits, migration, and occasional appearance - Saxby, Stephen H. (Maclachlan & Stewart, 1874)

The birds of Somersetshire - Smith, Cecil, 1826 -1890 (John van Voorst, 1869)

Birds of the British Isles - Duncan, John, of Newcastle upon Tyne. (W. Scott, 1898)

Birds of the British Isles - Duncan, John. (W. Scott, 1898)

The birds of the Chicago area - Woodruff, Frank Morley (Jennings and Graham], 1907)

The birds of the Chicago area - Woodruff, Frank Morley (Printed by Jennings and Graham], 1907)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1878)

Birds of the Humber District - Cordeaux, John. (Van Voorst, 1872)

The birds of the Japanese Empire - Seebohm, Henry, 1832 -1895 (R. H. Porter, 1890)

Birds of the Kilbuck and Ahklun mountain region, Alaska - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1991)

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

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 Southern Appalachians - United States. Forest Service. Southern Region. (USDA Forest Service, Southern Region, 1968)

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 West Indies : including all species known to occur in the Bahama Islands, the Greater Antilles, the Caymans, and the Lesser Antilles, excepting the islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1889)

The birds of the west of Scotland : including the outer Hebrides, with occasional records of the occurrence of the rarer species throughout Scotland generally - Gray, Robert, 1825 -1887 (T. Murray & Son, 1871)

The birds of Tunisia; being a history of the birds found in the regency of Tunis - Whitaker, Joseph Isaac Spadafora, 1850 - (R.H. Porter, 1905)