Baker, N., Brouwer, J., Baker, L., Sinclair, T., Harebottle, D. and Buij, R. 2011. The status of the Secretarybird Sagittarius serpentarius with special reference to Tanzania and declines across the continent. A preliminary report to the UK CITES Scientific Authority (Fauna).
Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261.
Ferguson-Lees, J. and Christie, D.A. 2001. Raptors of the World. Christopher Helm, London.
Garbett, R.; Herremans, M.; Maude, G.; Reading, R.P. and Amar, A. 2018. Raptor population trends in northern Botswana: A re-survey of road transects after 20 years. Biological Conservation 224: 87-99.
Hofmeyr, S.D., Symes, C.T. and Underhill, L.G. 2014. Secretarybird Sagittarius serpentarius population trends and ecology: insights from South African citizen science data. PLoS ONE 9: e96772.
IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-3. Available at: https://www.iucnredlist.org. (Accessed: 10 December 2020).
Kemp, M.I. and Kemp, A.C. 1977. Bucorvus and Sagittarius<.i>: two modes of terrestrial predation. In: Kemp, A.C (ed.), Proceedings of the Symposium on African Predatory Birds, Transvaal Museum, Pretoria, 29 August - 1 September 1977, pp. 13-16. Nothern Transvaal Ornithological Society, Pretoria.
Loftie-Eaton, M. 2017. The impacts of bush encroachment on bird distributions in the Savanna biome of South Africa. University of Cape Town, South Africa.
Monadjem, A., Boycott, R.C., Parker, V. and Culverwell, J. 2003. Threatened Vertebrates of Swaziland. Swaziland Red Data Book: Fishes, Amphibians, Reptiles, Birds and Mammals. Ministry of Tourism, Environment and Communications, Mbabane, Swaziland.
Retief, E. and Smit-Robinson, H. 2014. Revealing secretarybird secrets. African Birdlife 2(6): 62-63.
Thiollay, J.-M. 2006. The decline of raptors in West Africa: long-term assessment and the role of protected areas. Ibis 148: 240-254.
Thiollay, J.M. 2001. Long-term changes of raptor populations in northern Cameroon. Journal of Raptor Research 35: 173-186.
Whitecross, M.A., Retief, E.F. and Smit-Robinson, H.A. 2019. Dispersal dynamics of juvenile Secretarybirds Sagittarius serpentarius in southern Africa. Ostrich 90(2): 97-110.
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Recommended citation
BirdLife International (2024) Species factsheet: Secretarybird Sagittarius serpentarius. Downloaded from
https://datazone.birdlife.org/species/factsheet/secretarybird-sagittarius-serpentarius on 26/12/2024.
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 26/12/2024.