Southern bald ibis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Southern bald ibis" in English language version.

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  • BirdLife International (2016). "Geronticus calvus". IUCN Red List of Threatened Species. 2016: e.T22697496A93617026. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697496A93617026.en. Retrieved 19 November 2021.
  • Pegoraro (2001). "Mitochondrial DNA sequence evidence for close relationship of Bald Ibis, Geronticus calvus, and Waldrapp Ibis, G. eremita". Ostrich. 72 (3–4): 215–216. doi:10.2989/00306520109485324.
  • Siegfried (1971). "The status of the Bald Ibis of Southern Africa". Biological Conservation. 3 (2): 88–91. doi:10.1016/0006-3207(71)90004-8.
  • Manry, D. (1985a). "Distribution, Abundance and Conservation of the Bald Ibis Geronticus calvus in Southern Africa". Biological Conservation. 33 (4): 351–362. doi:10.1016/0006-3207(85)90076-x.
  • Manry, D. (1985b). "Reproductive performance of the Bald Ibis Geronticus calvus in relation to rainfall and grass-burning". Ibis. 127 (2): 159–173. doi:10.1111/j.1474-919x.1985.tb05052.x.
  • Kopij, G. (2001). "Feeding ecology of the Southern Bald Ibis, Geronticus calvus, in the Free State, South Africa". Ostrich. 72 (3–4): 193–198. doi:10.2989/00306520109485316.
  • Kopij, G; Kok, O; Nuttall, R (2000). "Breeding cycle of the Southern Bald Ibis, Geronticus calvus". Ostrich. 71 (3–4): 393–399. doi:10.1080/00306525.2000.9639838.

iucnredlist.org

  • BirdLife International (2016). "Geronticus calvus". IUCN Red List of Threatened Species. 2016: e.T22697496A93617026. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697496A93617026.en. Retrieved 19 November 2021.

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