Asian buffalo  (Bubalus bubalis)

Gestation: The state of being pregnant; the period from conception to birth.
Gregarious: Tending to form a group with others of the same species by habitually living or moving in flocks or herds rather than alone.
Hybridisation: Cross-breeding between two different species or subspecies.
Matriarch: Female head of a family group.
Polygyny: In animals, a pattern of mating in which a male has more than one female partner.

1. IUCN Red List (December, 2007)
   http://www.iucnredlist.org/
   
2. Burnie, D. (2001) Animal. Dorling Kindersley, London.
   
3. Animal Diversity Web (February, 2006)
   http://animaldiversity.ummz.umich.edu/site/accounts/information/Bubalus_bubalis.html
   
4. CITES (February, 2006)
   http://www.cites.org
   
5. Thai Society for the Conservation of Wild Animals (February, 2006)
   http://www.tscwa.org/wildlife/rare_or_extinct_05.html
   
6. Ashby, K.R. and Santiapillai, C. (1986) The life expectancy of wild artiodactyl herbivores, water buffalo (Bubalus bubalis), sambar (Cervus unicolor), spotted deer (Axis axis) and wild pig (Sus scrofa) in Ruhuna National Park, Sri Lanka and the consequences for management. Tigerpaper, 13 (2): 1 - 7.