• Summary
• Text account
• Data table and detailed info
• Distribution map
• Climate Change maps
• Reference and further resources

Anon. 2014. Engaging Herd-boys to Conserve the Southern Bald Ibis in the Mountain Kingdom of Lesotho. Global Environment Facility. Available at: https://www.thegef.org/newsroom/news/engaging-herd-boys-conserve-southern-bald-ibis-mountain-kingdom-lesotho. (Accessed: 27th September, 2023).

Barnes, K.N. 2000. The Eskom Red Data Book of birds of South Africa, Lesotho and Swaziland. BirdLife South Africa, Johannesburg.

BirdLife International. 2016. Geronticus calvus. The IUCN Red List of Threatened Species 2016(3): e.T22697496A93617026.DOI: 10.2305/IUCN.UK.2016-3.RLTS.T22697496A93617026.

Boatman, N.D., Brickle, N.W., Hart, J.D., Milsom, T.P., Morris, A.J., Murray, A.W., Murray, K.A. and Robertson, P.A. 2004. Evidence for the indirect effects of pesticides on farmland birds. Ibis 146: 131-143.

Boshoff, A. and van Niekerk, M. 2007. Is the Southern Bald Ibis Geronticus calvus re-colonising the North-eastern Cape, South Africa? Bee-eater 58(4): 62-64.

Collar, N.J. and Stuart, S.N. 1985. Threatened birds of Africa and related islands: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, and International Union for Conservation of Nature and Natural Resources, Cambridge, U.K.

Colyn, R. B.; Henderson, K. L.; Smit-Robinson, H. A. 2016. The status, distribution and breeding success of Southern Bald Ibis Geronticus calvus in Southern Africa.

Colyn, R.B. Henderson, K.L., Altwegg, R. and Smit-Robinson, H.A. 2020. Habitat transformation and climate change: Implications for the distribution, population status, and colony extinction of Southern Bald Ibis (Geronticus calvus) in southern Africa. The Condor 122: 1-17.

eBird. 2023. eBird: An online database of bird distribution and abundance [web application]. Ithaca, New York. eBird, Cornell Lab of Ornithology. Available at: http://www.ebird.org.

Ganz, F. 2021. Positive Outlook for the Southern Bald Ibis. Conservation Frontlines. Available at: https://www.conservationfrontlines.org/2021/07/positive-outlook-for-the-southern-bald-ibis/. (Accessed: 27th September, 2023).

GBIF.org. 2023. GBIF Occurrence Download (19 September 2023) Geronticus calvus. Available at: https://doi.org/10.15468/dl.m39waz.

Henderson, K. L. 2015. Southern Bald Ibis Geronticus calvus. In: Taylor, M. R.; Peacock, F.; Wanless, R. M. (ed.), The 2015 Eskom Red Data Book of Birds of South Africa, Lesotho and Swaziland, pp. 225-226. BirdLife South Africa, Johannesburg, South Africa.

Huntley, B. and Barnard, P. 2012. Potential impacts of climatic change on southern African birds of fynbos and grassland biodiversity hotspots. Diversity and Distributions 18: 769-781.

IUCN. 2024. The IUCN Red List of Threatened Species. Version 2024-2. Available at: https://www.iucnredlist.org. (Accessed: 22 October 2024).

Kopij, G. 1998a. Breeding ecology of the Southern Bald Ibis Geronticus calvus in the Free State, South Africa. Acta Ornithologica 33(3-4): 99-112.

Kopij, G. 1998b. Behavioural patterns in the Southern Bald Ibis (Geronticus calvus). Vogelwarte 39(4): 248-263.

Kopij, G. 2001. Feeding ecology of the Southern Bald Ibis, Geronticus calvus, in the Free State, South Africa. Ostrich 72(3 & 4): 193-198.

Kopij, G., Kok, O. and Nuttall, R. 2000. Breeding cycle of the Southern Bald Ibis, Geronticus calvus. Ostrich 71(3-4): 393-399.

Lee, A.T.K., Pienaar, C., Chetty, K. and Colyn, R. In prep. An improved conservation status of Southern Bald Ibis Geronticus calvus as informed by a diversity of citizen science projects suggests positive impacts of conservation attention. PREPRINT (Version 1). Research Square: https://doi.org/10.21203/rs.3.rs-2599063/v1.

Manry, D.E. 1985. Distribution, abundance and conservation of the Bald Ibis Geronticus calvus in southern Africa. Biological Conservation 33: 351-362.

Matheu, E., del Hoyo, J, Garcia, E.F.J. and Boesman, P.F.D. 2020. Southern Bald Ibis (Geronticus calvus), version 1.0. In: J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana (eds), Birds of the World, pp. https://doi.org/10.2173/bow.balibi1.01. Cornell Lab of Ornithology, Ithaca, NY, USA.

Pocock, T.N. and Uys, C.J. 1967. The Bald Ibis in the north-eastern Orange Free State. Bokmakierie 19: 28-31.

Siegfried, W. R. 1966. The present and past distribution of the Bald Ibis in the province of the Cape of Good Hope. Ostrich 37: 216-218.

Siegfried, W.R. 1971. The status of the Bald Ibis of southern Africa. Biological Conservation 3(2): 88-91.

Siegfried, W.R. and Milstein, P. le S. 1970. Transvaal status of the Bald Ibis. Bokmakierie 22: 36-39.

van Rooyen, C. 2005. Bald Ibis: interactions with powerlines. Endangered Wildlife 54: 47-48.

IUCN SSC Stork, Ibis and Spoonbill Specialist Group

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Recommended citation
BirdLife International (2024) Species factsheet: Southern Bald Ibis Geronticus calvus. Downloaded from https://datazone.birdlife.org/species/factsheet/southern-bald-ibis-geronticus-calvus on 22/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/12/2024.