隱䴉是歐洲最早受到官方保護的動物,於1504年由薩爾茨堡大主教里昂納德(Leonhard von Keutschach)發出諭令下獲得保護,但最終自奧地利,甚至整個歐洲消失。[48]現時在奧地利有兩個重新引入的計劃,分別在格呂瑙(Grünau)及施阿恩史坦(Scharnstein)。在格呂瑙的族群像土耳其般被限制遷徙,藉以研究族群的相互作用及和諧、覓食的行為及生態並社交學習。[44]
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^Boev, Zlatozar. Presence of Bald Ibises (Geronticus Wagler, 1832) (Threskiornithidae - Aves) in the Late Pliocene of Bulgaria. Geologica Balcanica. 1998, 28 (1-2): 45–52.
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^Babbitt, Gregory A.; Frederick, Peter C. Selection for sexual bill dimorphism in ibises: an evaluation of hypotheses. 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. Discrete breeding and wintering areas of the Waldrapp Geronticus eremita (L.). Bulletin of the British Ornithologists' Club. 1972, 92: 102–103.
^ 25.025.125.2(土耳其文)Turkish Ministry of Environment and Forestry Directorate of Natural Preservation and National Parks. Çevre Ve Orman Bakanliği. The Birecik Bald Ibis Breeding and Repopulation Program. [2008-11-13]. (原始内容存档于2008-06-22).
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^Safriel, U. N. Notes on the extinct population of the northern bald ibis Geronticus eremita in the Syrian desert. Ibis. 1980, 122: 82–88. doi:10.1111/j.1474-919X.1980.tb00874.x.
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^ 32.032.132.232.332.4Bowden, Christopher G. R.; Smith, Ken W.; El Bekkay, Mohammed; Oubrou, Widade; Aghnaj, Ali; Jimenez-Armesto, Maria. Contribution of research to conservation action for the Northern Bald Ibis Geronticus eremita in Morocco. 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. The Avian Egg: Mass and Strength(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. Beaky the Bald Ibis(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).
^World Association of Zoos and Aquariums (WAZA). Waldrapp ibis (Geronticus eremita)(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).
^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. An outbreak of West Nile virus in a New York City captive wildlife population. American Journal of Tropical Medicine and Hygiene. July 2002, 67 (1): 67–75.引文使用过时参数coauthors (帮助)