Circus maurus

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Curtis, O.; Simmons, R.E.; Jenkins, A. R. 2004. Black Harrier Circus maurus of the Fynbos biome, South Africa: a threatened specialist or an adaptable survivor? Bird Conservation International 14: 233-245.

Harrison, J. A.; Allan, D. G.; Underhill, L. G.; Herremans, M.; Tree, A. J.; Parker, V.; Brown, C. J. 1997. The atlas of southern African birds. BirdLife South Africa, Johannesburg.

IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012).

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Simmons, R.E. 2005. Declining coastal avifauna at a diamond-mining site in Namibia: comparisons and causes. Ostrich 76(3-4): 97-103.

Simmons, R.E. 2005. Reviewing the conservation status of the Black Harrier, Circus maurus. Gabar 16: 29-31.

Thiollay, J.-M. 1994. Family Accipitridae (Hawks and Eagles). In: del Hoyo, J.; Elliott, A.; Sargatal, J. (ed.), Handbook of the birds of the world, pp. 52-205. Lynx Edicions, Barcelona, Spain.