African harrier-hawk  (Polyboroides typus)

Species information

Videos and images

Authentication

Authenticated (17/08/09) by André Botha, Manager of the Birds of Prey Working Group of the Endangered Wildlife Trust, South Africa.
http://www.ewt.org.za/home.aspx

Glossary

  • Carrion: the flesh of a dead animal.
  • Flight feathers: the feathers at the end of the wing, involved in flight.
  • Incubation: the act of incubating eggs, that is, keeping them warm so that development is possible.
  • Riparian: relating to the banks of watercourses.
  • Subspecies: a population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.

References

  1. IUCN Red List (January, 2009)
    http://www.iucnredlist.org/
  2. del Hoyo, J., Elliott, A. and Sargatal, J. (1994) Handbook of the Birds of the World. Volume 2: New World Vultures to Guineafowl.Lynx Edicions, Barcelona.
  3. Ferguson-Lees, J. and Christie, D.A. (2001) Raptors of the World.Helm Identification Guides, A & C Black Publishers, London.
  4. CITES (January, 2009)
    http://www.cites.org/
  5. Sinclair, I. and Davidson, I. (2006) Sasol Southern African Birds: A Photographic Guide.Struik, Cape Town.
  6. BirdLife International (January, 2009)
    http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=3412&m=0
  7. Boshoff, A.F. (1997) Gymnogene. In: Harrison, J.A., Allan., D.G., Underhill, L.G., Herremans, M., Tree, A.T., Parker, V. and Brown, C.J. (Eds) The Atlas of Southern African Birds. Volume I.BirdLife South Africa, Johannesburg. Available at: http://sabap2.adu.org.za/docs/sabap1/169.pdf
  8. Burton, P.J.K. (1978) The intertarsal joint of the harrier-hawks Polyboroides spp. and the crane hawk Geranospiza caerulescens. Ibis, 120 (2): 171 - 177.
  9. African Convention on the Conservation of Nature and Natural Resources (January, 2009)
    http://www.africa-union.org/root/au/Documents/Treaties/Text/Convention_Nature%20&%20Natural_Resources.pdf
  10. Angehr, G., Schmidt, B., Njie, F., Christy, P., Gebhard, C., Tchignoumba, L. and Ombenotori, M.A.E. (2006) Bird surveys in the Gamba Complex of Protected Areas, Gabon. In: Alonso, A., Lee, M.E., Campbell, P., Pauwels, O.S.G. and Dallmeier, F. (Eds) Gamba, Gabon: Biodiversity of an Equatorial African Rainforest.Bulletin of the Biological Society of Washington, No. 12.
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