Animalia > Chordata > Mammalia > Artiodactyla > Bovidae > Bos > Bos grunniens

Bos grunniens (yak; grunting ox)


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 6.99
EDGE Score: 3.46


Adult Weight [1]  1,470.491 lbs (667.00 kg)
Birth Weight [1]  39.683 lbs (18.00 kg)
Diet [2]  Herbivore
Diet - Plants [2]  100 %
Forages - Ground [2]  100 %
Female Maturity [1]  2 years
Male Maturity [1]  2 years
Gestation [1]  9 months 4 days
Litter Size [1]  1
Litters / Year [1]  1
Maximum Longevity [1]  26 years
Weaning [1]  7 months 18 days


Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Aerjinshan Nature Reserve 11119742 China      
Ajar Valley Wildlife Sanctuary Wildlife Reserve IV 158064 Afghanistan  
Kekexili Nature Reserve 11119742 China      
Mount Everest (Sagarmatha) National Park II 275416 Nepal
Qiangtang Nature Reserve 73637404 China      

Biodiversity Hotspots

Name Location Endemic Species Website
Mountains of Southwest China China, Myanmar No


Canis lupus (Wolf)[3]
Homo sapiens (man)[3]
Uncia uncia (Snow leopard)[4]


Institutions (Zoos, etc.)


Southern Asia;

External References



Attributes / relations provided by
1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
3Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
4RUKHSANA KHATOON, (2010) DIET SELECTION OF SNOW LEOPARD (Uncia uncia) IN CHITRAL AREA Master of Philosophy Thesis, Arid Agriculture University, Rawalpindi, Pakistan
5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
6International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Protected Areas provided by Le Saout, S., Hoffmann, M., Shi, Y., Hughes, A., Bernard, C., Brooks, T.M., Bertzky, B., Butchart, S.H.M., Stuart, S.N., Badman, T. & Rodrigues, A.S.L. (2013) Protected areas and effective biodiversity conservation. Science, 342, 803–805
Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund