Sable antelope  (Hippotragus niger)

Gestation: The state of being pregnant; the period from conception to birth.
Interspecific: Arising or occurring between different species.
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.
Territory: Area occupied and defended by an animal, a pair of animals or a colony.

1. IUCN Red List (June, 2008)
   http://www.iucnredlist.org
   
2. The Ultimate Ungulate Page (September, 2006)
   http://www.ultimateungulate.com/Artiodactyla/Hippotragus_niger.html
   
3. AZA Antelope Taxon Advisory Group (TAG) Website (June, 2008)
   http://www.antelopetag.com/assets/docs/Antelope/Sable.pdf
   
4. CITES (September, 2006)
   http://www.cites.org
   
5. Animal Diversity Web (September, 2006)
   http://animaldiversity.ummz.umich.edu/site/accounts/information/Hippotragus_niger.html
   
6. Kissama Foundation (September, 2006)
   http://kissama.org/giant_sable_main.html
   
7. South Africa Explored (September, 2006)
   http://www.sa-venues.com/wildlife/wildlife_sable.htm