Siberian crane  (Grus leucogeranus)

Inbreeding: The breeding of closely related individuals. An inbred population usually has less genetic variability and this is generally disadvantageous for its long-term survival and success.

1. IUCN Red List (March, 2008)
   http://www.iucnredlist.org
   
2. del Hoyo, J., Elliot, A. and Sargatal, J. (1996) Handbook of the Birds of The World. Volume 3, Hoatzin to Auks. Birdlife International and Lynx Edicions, Barcelona.
   
3. CITES (October, 2002)
   http://www.cites.org
   
4. Global Register of Migratory Species (March, 2008)
   http://www.groms.de/
   
5. International Crane Foundation (February, 2002)
   http://www.savingcranes.org/species/siberian.asp
   
6. BirdLife International. (2000) Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona and Cambridge.
   
7. Northern Prairie Wildlife Research Centre (February, 2002)
   http://www.npwrc.usgs.gov/resource/distr/birds/cranes/grusleuc.htm
   
8. BBC News (February, 2002)
   http://news.bbc.co.uk/hi/english/world/south_asia/newsid_1719000/1719867.stm