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Location India, Assam
Central coordinates 93o 21.50' East  26o 28.00' North
IBA criteria A1
Area 31,781 ha
Altitude 80 - 500m
Year of IBA assessment 2004

Bombay Natural History Society

Site description This site includes two protected areas in Karbi Anglong district namely, East Karbi Anglong Wildlife Sanctuary (22,181 ha) and North Karbi Anglong Wildlife Sanctuary (9,600 ha), which are contiguous. The latter sanctuary connects the former with the world famous Kaziranga National Park (also an IBA), a link that is vital for the wild Asian Elephants Elephas maximus. Although the area was proposed as a single protected area as ‘North Karbi Anglong Wildlife Sanctuary’ (Choudhury 1992a, 1992b; Choudhury 1993), the authorities were compelled to declare two separate sanctuaries. While the Mikir Hills reserve forest area has been notified as ‘East Karbi Anglong WLS, the unclassified and community forests to the north is known as ‘North Karbi Anglong WLS’. In the latter area, rights and concessions of the settlers have to be considered as the area falls under community forests. This area is a part of Kaziranga- Karbi Anglong Elephant Reserve. The elevation of the larger part of the proposed reserve is 200- 300 msl. Kaliyoni and Diffolu rivers originate from these forests, which have numerous perennial streams. The forest type is mainly Tropical Semi-evergreen with patches of Tropical Moist Deciduous. Large tracts under bamboo cover can be seen in parts of North Karbi Anglong Sanctuary due to jhum (slash-and-burn shifting cultivation practiced by hill tribes). Abandoned jhums are covered with various grasses such as Themeda villosa and Saccharum procerum, and scrub. In the depressions, Alpinia allughas herb, and Arundo donax and Neyraudia reynaudiana grasses (both are called Nal) occur.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-winged Duck Asarcornis scutulata resident  2004  present  A1  Endangered 
Lesser Adjutant Leptoptilos javanicus resident  2004  present  A1  Vulnerable 
White-rumped Vulture Gyps bengalensis non-breeding  2004  present  A1  Critically Endangered 
Slender-billed Vulture Gyps tenuirostris non-breeding  2004  present  A1  Critically Endangered 
Pale-capped Pigeon Columba punicea resident  2004  present  A1  Vulnerable 
Rufous-necked Hornbill Aceros nipalensis resident  2004  present  A1  Vulnerable 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
East Karbi Anglong Sanctuary 22,181 protected area contained by site 22,181  
Karbi Anglong Sanctuary 9,600 protected area contained by site 9,600  


IUCN habitat Habitat detail Extent (% of site)
Forest   -
Wetlands (inland)   -

Land use

Land-use Extent (% of site)
agriculture -
Notes: Cultivation, including jhum
forestry -
Notes: Forestry

Acknowledgements Key contributor: Anwaruddin Choudhury.


Choudhury, A. U. (1996) Survey of primates in some parts of eastern and central Assam. Final Report to ASTEC, Guwahati. 32pp.+ maps.

Choudhury, A. U. (1992a) Dhansiri Tiger Reserve. A proposal submitted to the Karbi Anglong District Council and Government of India. 8pp. + map.

Choudhury, A. U. (1992b) Singhason Biosphere. A proposal submitted to the Karbi Anglong District Council and Government of India. 6pp. + map.

Choudhury, A. U. (1993) A naturalist in Karbi Anglong. Gibbon Books, Guwahati.

Gee, E. P. (1958) sThe present status of the White-winged Wood Duck Cairina scutulata. J. Bombay Nat. Hist. Soc. 55: 569-574.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: East and North Karbi Anglong Wildlife Sanctuaries. Downloaded from on 21/10/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife