隱䴉
參考

1 2 3 4 5 6 7 8 9  BirdLife International. . The IUCN Red List of Threatened Species 2008.   [2008-12-05].
↑  https://www.dogadernegi.org/en/northern-bald-ibis/ （页面存档备份，存于） "Northern Bald Ibis" at dogadernegi.org.
↑  BirdLife International. . BirdLife.   [2018-11-23]. （原始内容存档于2021-05-13） （美国英语）.
↑  Hape Grünenfelder: Wiederansiedlung des Waldrapps im Schweizer Sarganserland am früheren Vorkommen in Bad Ragaz ‐ Pfäfers （页面存档备份，存于）, January 2018 (German)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15  Snow, David; Perrins, Christopher M (editors). . Oxford: Oxford University Press. 1998: 146–147. ISBN 019854099X.  引文使用过时参数coauthors (帮助)
1 2  Sinclair, Ian; Hockey, Phil; Tarboton, Warwick. . Cape Town: Struik. 2002: 74. ISBN 1868727211.  引文使用过时参数coauthors (帮助)
1 2 3 4  Gessner, Conrad. . Zurich: Froschauer. 1555: 337–338.
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↑  Mourer-Chauviré, Cécile; Philippe, Michel; Guillard, Stéphane; Meyssonnier, Marcel. . Ibis. July 2006, 148 (4): 820–23. doi:10.1111/j.1474-919X.2006.00563.x.  引文使用过时参数coauthors (帮助)
1 2  Boev, Zlatozar.  (PDF). Acta Zoologica Bulgarica. 2000, 52 (2): 53–58  [2008-12-29]. （原始内容 (PDF)存档于2009-02-05）.
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1 2  Mullarney, Killian; Svensson, Lars; Zetterström, Dan; Grant, Peter J. . Collins. 1999: 36. ISBN 0002197286.  引文使用过时参数coauthors (帮助)
↑  Babbitt, Gregory A.; Frederick, Peter C. . Waterbirds. 2007, 30 (2): 199–206. doi:10.1675/1524-4695(2007)30[199:SFSBDI]2.0.CO;2.  引文使用过时参数coauthors (帮助)
↑  Siegfried, W.R. . Bulletin of the British Ornithologists' Club. 1972, 92: 102–103.
1 2 3 4 5 6 7  . International research. Royal Society for the Protection of Birds.   [2008-11-16]. （原始内容存档于2020-10-04）.
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1 2  Beintema, Nienke.  (PDF). AEWA Secretariat.   [2008-12-11]. （原始内容存档 (PDF)于2012-03-01）.
1 2 3  （土耳其文）Turkish Ministry of Environment and Forestry Directorate of Natural Preservation and National Parks. . The Birecik Bald Ibis Breeding and Repopulation Program.   [2008-11-13]. （原始内容存档于2008-06-22）.
↑  Schulz, Holger; Schulz, Maria. . Journal of Ornithology. April 1992, 133 (2): 165–172. doi:10.1007/BF01639909.  引文使用过时参数coauthors (帮助)
1 2  Serra, G. . World Birdwatch (BirdLife International magazine). 2003, 25 (1): 10–13.
1 2 3  Murdoch, D. A.; Betton, K. F. . Sandgrouse. 2008,. Supplement 2: 18–19.  引文使用过时参数coauthors (帮助)
↑  Safriel, U. N. . Ibis. 1980, 122: 82–88. doi:10.1111/j.1474-919X.1980.tb00874.x.
↑  . News 26-10-2006. BirdLife International.   [2008-11-14]. （原始内容存档于2013-10-14）.
↑  Topak, Muzaffer.  (PDF). Republic of Turkey Ministry of Forestry General Directorate of National Parks and Game.   [2009-04-06]. （原始内容 (PDF)存档于2009-03-26）.
1 2 3 4 5  Bowden, Christopher G. R.; Smith, Ken W.; El Bekkay, Mohammed; Oubrou, Widade; Aghnaj, Ali; Jimenez-Armesto, Maria. . Bird Conservation International. 2008, 18: S74–S90. doi:10.1017/S0959270908000403.  引文使用过时参数coauthors (帮助)
↑  Ar, Amos; Rahn, Hermann; Paganelli, Charles V.  (PDF). Condor. November 1979, 81: 331–337  [2008-12-28]. （原始内容 (PDF)存档于2011-06-07）.  引文使用过时参数coauthors (帮助)
↑  Hulme, Diana; Tabbaa, Darem; Bright, Alastair.  (PDF). Syrian Arab Republic Ministry of Education and Al Baath University Faculty of Veterinary Medicine Animal Protection Project.   [2009-04-06]. （原始内容存档 (PDF)于2009-03-26）.
1 2 3 4 5 6  United Nations Environment Programme Secretariat.  (PDF). 6th meeting of the technical committee. African-Eurasian Waterbird Agreement.   [2008-11-06]. （原始内容 (PDF)存档于2008-10-29）.
1 2  Böhm, Christiane. . Innsbruck-Tirol, Austria: Alpenzoo. 1999. ISBN 3000049109 请检查|isbn=值 (帮助).
↑  Kotrschal, Kurt.  (PDF). WAZA Magazine. 2007, 5: 12–14  [2009-04-03]. （原始内容 (PDF)存档于2009-02-05）.
↑  Convention on International Trade in Endangered Species of Wild Fauna and Flora. . Official documents.   [2008-12-03]. （原始内容存档于2007-02-03）.
↑  Convention on International Trade in Endangered Species of Wild Fauna and Flora. . Official documents.   [2008-12-03]. （原始内容存档于2011-07-17）.
↑  Harrison, J.A.; Allan, D.G; Underhill, L.G.; Herremans, M.; Tree, A.J.; Parker, V.; Brown C.J. .  (PDF). BirdLife South Africa. 1997: 104  [2009-04-03]. ISBN 0620207299. （原始内容 (PDF)存档于2011-10-27）.  引文使用过时参数coauthors (帮助)
1 2 3 4 5 6  Boehm, Christiane; Bowden, Christopher G.R.; Jordan, Mike J.R. (editors).  (PDF). The Lodge, Sandy, Bedfordshire: Royal Society for the Protection of Birds. September 2003. ISBN 1901930440. （原始内容 (PDF)存档于2009-02-05）.  引文使用过时参数coauthors (帮助)
↑  Boehm, Christiane; Bowden, Christopher G.R.; Jordan, Mike J.R.; King, Cathy (editors).  (PDF). The Lodge, Sandy, Bedfordshire: Royal Society for the Protection of Birds. May 2007  [2009-04-03]. ISBN 97819056010040 请检查|isbn=值 (帮助). （原始内容存档 (PDF)于2009-02-05）.  引文使用过时参数coauthors (帮助)
↑  World Association of Zoos and Aquariums (WAZA).  (PDF). The WAZA Network - links ex situ with in situ conservation.   [2008-12-03]. （原始内容 (PDF)存档于2009-02-05）.
1 2 3 4  . Conservation projects. World Association of Zoos and Aquariums (WAZA).   [2008-11-26]. （原始内容存档于2007-10-28）.
↑  Quevedo, Miguel A. . Christiane, Boehm; Bowden, Christopher G.R.; Jordan, Mike J.R.  (编).  (PDF). The Lodge, Sandy, Bedfordshire: Royal Society for the Protection of Birds. September 2003: 51–52. ISBN 1901930440. （原始内容 (PDF)存档于2009-02-05）.
↑  Greenwood, A. G.; Marshall, Jacqueline; Tinsley, E. G. F.  (PDF). Avian Pathology. 1996, 25 (2): 387–391  [2009-04-03]. doi:10.1080/03079459608419149. （原始内容存档 (PDF)于2009-03-26）.  引文使用过时参数coauthors (帮助)
↑  Ludwig, G. V.; Calle, P. P.; Mangiafico, J. A.; Raphael, B. L.; Danner, D. K.; Hile, J. A.; Clippinger, T. L.; Smith, J. F.; Cook, R. A.; McNamara, T. . American Journal of Tropical Medicine and Hygiene. July 2002, 67 (1): 67–75.  引文使用过时参数coauthors (帮助)
1 2 3 4  Shuker, Karl. . Cosimo. 2003: 166-168. ISBN 1931044643.
↑  （德文） . Waldrapp-Burghausen.   [2008-11-26]. （原始内容存档于2010-10-14）.
↑  （西班牙文）. ELPAÍS.com (El Pais). 5 June 2008  [2008-11-24]. （原始内容存档于2011-05-20）.
↑  . Conservation projects. WAZA.   [2008-12-06]. （原始内容存档于2007-10-28）.
↑  Müller, Hans Peter.  (PDF). WAZA Magazine: 24–26.   [2009-04-03]. （原始内容 (PDF)存档于2009-02-05）.
↑  . Species sheets. United Nations Environment Programme World Conservation Monitoring Centre.   [2008-12-13]. （原始内容存档于2008-07-20）.
1 2  . Food and Agriculture Organisation of the United Nations.   [2008-12-16]. （原始内容存档于2019-02-15）.
↑  Lamy, Lucy. . Thames & Hudson Ltd. 1981. ISBN 0500810249.
↑  Janak, Jiri. . Cannata, M  (编). . Oxbow Books. 2007: 116–119.
↑  Hall, J. J. . The Journal of Hellenic Studies. 1982, 102: 235–236  [2008-12-29].
↑  British Museum catalogue number London B163, Archive No.: 301062 Herakles & the Stymphalian birds （页面存档备份，存于）  Attic Black Figure Amphora ca 560-530 B.C.
↑  Dutton, Christopher J.; Allchurch, Anthony F.; Cooper, John E.  (PDF). Journal of Wildlife Diseases. 2002, 38 (3): 583–588. （原始内容 (PDF)存档于2009-02-05）.  引文使用过时参数coauthors (帮助)
↑  Scharning, Kjell. . Theme Birds on Stamps.   [2008-12-29]. （原始内容存档于2021-04-24）.