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Ornithology, Ornithological Applications, Wilson Ornithological Society, Neotropical Ornithological Society, William Phelps Ornithological Collection, Nuttall Ornithological Club, Cooper Ornithological Society, Hungarian Ornithological and Nature Conservation Society, Ornithology (journal), List of ornithological societies, Ornithological Dictionary, Australasian Ornithological Conference, Southern Hemisphere Ornithological Congress, Mongolian Ornithological Society, Catalan Ornithological Institute, Queensland Ornithological Society Inc, American Ornithological Society, Ornithological Society of Japan, List of state ornithological organizations in the United States, Marsh Awards for Ornithology, Norwegian Ornithological Society (1920–1935), International Ornithologists' Union, Ornithological Society of New Zealand, Ornithological Council, List of United Kingdom bird clubs and ornithological societies, Conspectus of the Ornithological Fauna of the USSR, Ornithological handbook, Mendijur Ornithological Park, Tennessee Ornithological Society, Swiss Ornithological Institute, Georgia Ornithological Society, Baird Ornithological Club, Florida Ornithological Society, Illinois Ornithological Society, The Wilson Journal of Ornithology, Yamashina Institute for Ornithology, Welsh Ornithological Society, Norwegian Ornithological Society, Union Medal of the British Ornithological Union, Pan-African Ornithological Congress, Ornithological Society of the Middle East, FitzPatrick Institute of African Ornithology, Gibraltar Ornithological & Natural History Society, Gower Ornithological Society, List of ornithology journals, New York State Ornithological Association, The Ornithology of Australia, Delaware Valley Ornithological Club, Hellenic Ornithological Society, BirdLife Sverige, Edward Grey Institute of Field Ornithology, Sussex Ornithological Society, British Trust for Ornithology, Norfolk Ornithological Association, Ostrich (journal), Cornell Lab of Ornithology, Emu (journal), Ornithology (composition), Victorian Ornithological Research Group, BirdLife South Africa, Spanish Ornithological Society, Mindelo Ornithological Reserve, AOS Checklist of North American Birds, Association of Field Ornithologists, 1884 in birding and ornithology, Marine Ornithology, List of ornithology awards, Dansk Ornitologisk Forening, Cassinia (journal), Bird atlas, Journal of Field Ornithology, Australian Field Ornithology, 1813 in birding and ornithology, South Australian Ornithological Association, 1873 in birding and ornithology, Max Planck Institute for Ornithology, 1835 in birding and ornithology, Sálim Ali Centre for Ornithology and Natural History, 1843 in birding and ornithology, Ornithological Society of Polynesia, Timeline of ornithology, Hispaniolan Ornithological Society, Veliko Blato (Croatia), 1902 in birding and ornithology, British Ornithologists' Union, 1998 in birding and ornithology, 1848 in birding and ornithology, Radar ornithology, Journal of Ornithology, 2013 in birding and ornithology, 1872 in birding and ornithology, List of years in birding and ornithology, 2009 in birding and ornithology, Ibis (journal), 1845 in birding and ornithology, 2017 in birding and ornithology, 2018 in birding and ornithology, 2008 in birding and ornithology, 1900 in birding and ornithology, 2014 in birding and ornithology, 2010 in birding and ornithology, 2012 in birding and ornithology, 2015 in birding and ornithology, 2016 in birding and ornithology, 2019 in birding and ornithology, 1862 in birding and ornithology, 2007 in birding and ornithology, 1826 in birding and ornithology, 1883 in birding and ornithology, 2022 in birding and ornithology, 2020 in birding and ornithology, 1856 in birding and ornithology, 1996 in birding and ornithology, 1824 in birding and ornithology, 2003 in birding and ornithology, 1997 in birding and ornithology, 2021 in birding and ornithology, Bird reserve, 1816 in birding and ornithology, 1881 in birding and ornithology, 2011 in birding and ornithology, 2001 in birding and ornithology, 1999 in birding and ornithology, 1885 in birding and ornithology, 1876 in birding and ornithology, 1825 in birding and ornithology, Scopus (journal), The Literature of Australian Birds, 1821 in birding and ornithology, 2002 in birding and ornithology, 1810 in birding and ornithology, 1822 in birding and ornithology, 2004 in birding and ornithology, 1804 in birding and ornithology, 1870 in birding and ornithology, 2006 in birding and ornithology, 1819 in birding and ornithology, 2005 in birding and ornithology, Field Ornithology Group of Sri Lanka, 1836 in birding and ornithology, 1995 in birding and ornithology, 1875 in birding and ornithology, 1899 in birding and ornithology, 1808 in birding and ornithology, 1860 in birding and ornithology, Glossary of bird terms, 1812 in birding and ornithology, 1829 in birding and ornithology, 1849 in birding and ornithology, 1834 in birding and ornithology, 1871 in birding and ornithology