Biodiversitas - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, (CONABIO), 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)

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

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 (Doubleday, Page & company, 1915)

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 homes - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page, 1902)

Bird homes : the nests, eggs, and breeding habits of the land birds breeding in the eastern United States ; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page, 1905)

Bird homes. The nests, eggs and breeding habits of the land birds breeding in the eastern United States; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure Co, 1904)

Bird homes : The nests, eggs and breeding habits of the land birds breeding in the eastern United States with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page & Co, 1903)

Bird homes : the nests, eggs and breeding habits of the land birds breeding in the eastern United States, with hints on the rearing and photographing of young birds / - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure,, 1920)

Bird homes. The nests, eggs and breeding habits of the land birds breeding in the eastern United States; with hints on the rearing and photographing of young birds - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday & McClure Co, 1900)

Bird lice from the Tinamidae - Clay, Theresa (1943)

Bird life of North Carolina's Shining Rock Wilderness - North Carolina Biological Survey. ([North Carolina Biological Survey, N.C. State Museum of Natural Sciences], 1994)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1912)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1913)

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

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1913)

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, 1918)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1918)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1919)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1906)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1910)

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

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1915)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1917)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1920)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1921)

Bird studies; an account of the land birds of eastern North America - Scott, William Earl Dodge, 1852 -1910 (G. P. Putnam's Sons, 1898)

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

Birds in a village - Hudson, W. H. (William Henry), 1841 -1922 (Lippincott ; London : Chapman & Hall, 1893)

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

Birds in town & village - Hudson, W. H. (William Henry), 1841 -1922 (J.M. Dent, 1919)

Birds in town & village - Hudson, W. H. (William Henry), 1841 -1922 (J. M. Dent, 1919)

Birds in town & village, by W.H. Hudson ... - Hudson, W. H. (William Henry), 1841 -1922 (E.P. Dutton & Co, 1920)

Birds in town & village, by W.H. Hudson... - Hudson, W. H. (William Henry), 1841 -1922 (E.P. Dutton & company, 1920)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1840)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1841)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1842)

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

The birds of Chile - Hellmayr, Carl Eduard, 1878 -1944 (Field Museum of Natural History, 1932)

The birds of Cuba - Barbour, Thomas, 1884 -1946 (Nuttall Ornithological Club, 1923)

Birds of eastern North America - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Company, 1912)

The birds of eastern North America - Maynard, C. J. (Charles Johnson), 1845 -1929 (Maynard, 1881)

The birds of eastern North America : known to occur east of the ninetieth meridian - Cory, Charles B. (Charles Barney), 1857 -1921 (Field Columbian Museum, 1899)

The birds of eastern North America known to occur east of the ninetieth meridian - Field Museum of Natural History. (Bay State Pub. Co, 1900)

The birds of eastern North America known to occur east of the ninetieth meridian - Field Columbian Museum. (Printed for the Field Columbian Museum [by A. Mudge], 1899)

The birds of eastern North America : with original descriptions of all the species which occur east of the Mississippi River, between the Arctic circle and the Gulf of Mexico, with full notes upon their habits, etc - Maynard, C. J. (Charles Johnson), 1845 -1929 (C.J. Maynard & co, 1896)

The birds of eastern North America : with original descriptions of all the species which occur east of the Mississippi River, between the Arctic circle and the Gulf of Mexico, with full notes upon their habits, etc - Maynard, C. J. (Charles Johnson), 1845 -1929 (C.J. Maynard & Co, 1872)

The Birds of Haiti and San Domingo - Cory, Charles B. (Charles Barney), 1857 -1921 (1885)

The birds of Jamaica - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1847)

Birds of La Plata - Hudson, W. H. (William Henry), 1841 -1922 (E. P. Dutton, 1920)

Birds of La Plata - Hudson, W. H. (William Henry), 1841 -1922 (J.M. Dent & Sons ltd, 1920)

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

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)