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Location China (mainland), Xinjiang
Central coordinates 90o 20.00' East  46o 15.00' North
IBA criteria A1, A3
Area 15,000 ha
Altitude 1,000 - 3,300m
Year of IBA assessment 2009

Site description Located east of the Altay Mountains on the boundary between China and Mongolia, 260 km south-east of Aletai City and 350 km north-east of Urumqi. The rivers in the IBA are major tributaries of the Ulungur River.

Key Biodiversity 

Non-bird biodiversity: Historical records of Saiga tatarica, but now locally extinct. Other nationally protected animals include Gazella subgutturosa, Ovis ammon and Castor fiber.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Baer's Pochard Aythya baeri winter  2008  present  A1  Critically Endangered 
Swan Goose Anser cygnoid unknown  2008  present  A1  Vulnerable 
Saker Falcon Falco cherrug unknown  2008  present  A1  Endangered 
Lesser Kestrel Falco naumanni unknown  2008  present  A1  Least Concern 
Eastern Imperial Eagle Aquila heliaca passage  2008  present  A1  Vulnerable 
Chlamydotis undulata unknown  2008  present  A1  Not Recognised 
Great Bustard Otis tarda breeding  2008  present  A1  Vulnerable 
White-throated Bushchat Saxicola insignis breeding  2008  present  A1  Vulnerable 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Buergenheli Nature Reserve 8,800 protected area overlaps with site 5,000  


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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Burgen River Valley. Downloaded from on 26/10/2016

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