Beiträge zur Ornithologie Südafrikas. Mit besonderer Berücksichtigung der von Dr. Holub auf seinen südafrikanischen Reisen gesammelten und im Pavillon des Amateurs zu Wien ausgestellten Arten - Pelzeln, August von, 1825 -1891 (A. Hölder, 1882)

Bericht der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Die Gesellschaft, 1912)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1847)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1913)

Bidrag til Kundskab om Fuglefaunaen i Brasiliens Campos - Reinhardt, J. (Johannes), 1816 -1882 (B. Lunos Bogtrykkeri ved F. S. Muhle, 1870)

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)

Biodiversity data journal (Pensoft Publishers, 2025)

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

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1909)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1909)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 2007)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 2008)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 2009)

Bird report for ... - Yorkshire Naturalists' Union (Yorkshire Naturalists' Union, 2010)

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

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

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, 1862)

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)

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)

The birds of South Africa - Sclater, William Lutley, 1863 -1944 (R. H. Porter, 1906)

The birds of South Africa - Sharpe, Richard Bowdler, 1847 -1909 (Bernard Quaritch, 1875)

The birds of South America - Swann, H. Kirke (Harry Kirke), 1871 -1926 (R. H. Porter [etc, 1917)

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)

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)

Birds of the White-Fuller Expedition to Kenya, East Africa - Oberholser, Harry C. (Harry Church), 1870 -1963 (Cleveland Museum of Natural History, 1945)

Birds the world over, as shown in habitat groups in Chicago Natural History Museum - Chicago Natural History Museum. (1954)

Boletim do Museu Goeldi (Museu Paraense) de Historia Natural e Ethnographia - Museu Goeldi. (Estabelecimento Graphice de C. Wiegandt, 1906)

Boletim do Museu Paraense de Historia Natural e Ethnographia (Museu Goeldi) - Museu Goeldi. (Typ. e Encadernação do Instituto Lauro Sodré, 1900)

Boletim do Museu Rocha (O Museu, 1911)

Boletin de la Academia Nacional de Ciencias en Córdoba, República Argentina - Academia Nacional de Ciencias (Córdoba, Argentina) (Academia Nacional de Ciencias, 1887)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1893)

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, 1953)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1955)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1982)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1989)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1987)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 2005)

The breeding seasons of East African birds - Brown, Leslie, 1917 -1980 (East Africa Natural History Society, 1980)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1911)

British birds (1993)

British birds (1997)

British birds (1998)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1893)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1973)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1990)

Bulletin - United States National Museum (G.P.O, 1926)

Bulletin - United States National Museum (G.P.O, 1930)

Bulletin - United States National Museum (G.P.O, 1931)

Bulletin - United States National Museum (G.P.O, 1967)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1906)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1905)

Bulletin de la Société d'histoire naturelle de Colmar - Société d'histoire naturelle de Colmar. (Société d'histoire naturelle de Colmar, 1895)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1878)

Bulletin de la Société d'acclimatation - Société d'acclimatation (Société d'acclimatation, 1873)

Bulletin de la Societe de pathologie exotique (Masson, 1916)

Bulletin de la Société impériale zoologique d'acclimatation - Société impériale zoologique d'acclimatation (Société impériale zoologique d'acclimatation, 1863)

Bulletin de la Société impériale zoologique d'acclimatation - Société impériale zoologique d'acclimatation (Société impériale zoologique d'acclimatation, 1867)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1896)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Au Siége de la Société, 1884)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Au Siége de la Société, 1888)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1916)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1922)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1931)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1932)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1933)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1946)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1947)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1953)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1959)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1960)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1961)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1964)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1967)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1968)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1969)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1970)

Bulletin - New York Zoological Society - New York Zoological Society. (New York Zoological Society, 1929)

Bulletin - Nigerian Ornithologists' Society - Nigerian Ornithologists' Society. (Ahmadu Bello University Press, 1975)

Bulletin - Nigerian Ornithologists' Society - Nigerian Ornithologists' Society. (Ahmadu Bello University Press, 1976)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1996)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1997)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1998)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1999)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2000)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2001)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2002)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2004)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2005)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2006)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2007)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2008)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2009)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2010)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2011)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2012)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2013)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2014)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2016)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2017)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1894)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1907)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1959)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1905)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1920)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1947)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1957)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1967)