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Location India, Arunachal Pradesh
Central coordinates 93o 4.60' East  27o 36.32' North
IBA criteria A1, A2
Area 160,000 ha
Altitude 1,000 - 5,000m
Year of IBA assessment 2004

Bombay Natural History Society

Site description Chayang Tajo – Khenewa - Lada, a high mountain region of about 2,000 sq. km, in the Eastern Himalaya, in East Kameng district is one of the least known IBAs of Arunachal Pradesh. The less accessible areas still have excellent forest cover. The area is drained by the Kameng river and its tributaries. Owing to its altitudinal variation from 1,000 to 5,000 m, it has faunal and floral elements of the lower, middle and upper Himalayas. In the lower reaches, Tropical to Subtropical Evergreen Forests occur. Further up, Temperate Broadleaf and Coniferous Forests are seen and then the Subalpine and Alpine Forest. The high peaks remain snowcapped for the greater part of the year. There are a few high-altitude lakes. The northern boundary is close to Indo-China border (Tibet). The top canopy trees of Tropical Wet Evergreen and Semi-evergreen are Tetrameles nudiflora (important for nesting of hornbills), Terminalia myriocarpa, Amoora wallichi and Sterculia villosa. Abandoned jhums (shifting cultivation) are covered with various species of grass such as Themeda villosa, Saccharum sp. and Imperata sp.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Chestnut-breasted Partridge Arborophila mandellii resident  2004  present  A1, A2  Vulnerable 
Ward's Trogon Harpactes wardi resident  2004  present  A2  Near Threatened 
Rufous-necked Hornbill Aceros nipalensis resident  2004  present  A1  Vulnerable 
Broad-billed Warbler Tickellia hodgsoni 2004  present  A2  Least Concern 
Ludlow's Fulvetta Alcippe ludlowi 2004  present  A2  Least Concern 
Beautiful Sibia Heterophasia pulchella 2004  present  A2  Least Concern 
Beautiful Nuthatch Sitta formosa resident  2004  present  A1  Vulnerable 
Rusty-bellied Shortwing Brachypteryx hyperythra resident  2004  present  A1, A2  Near Threatened 


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

Acknowledgements Key contributors: Suresh Kumar and Anwaruddin Choudhury.


Choudhury, A. U. (2002) Biodiversity survey in the upper areas of East Kameng district, Arunachal Pradesh. Final report of phase 1. WWF-India Assam and Arunachal Office, Guwahati. Pp. 12

Kumar, S. and Singh, P. (1999) A Study of Pheasant Distributions in Arunachal Pradesh, Eastern Himalayas, India. Wildlife Institute of India, Dehradun. Pp.52.

Stattersfield, A. J., Crosby, M. J., Long, A. J. and Wege, D. C. (1998) Endemic Bird Areas of the World: Priorities for Biodiversity Conservation. BirdLife Conservation Series No. 7. BirdLife International, Cambridge, U.K.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Chayang Tajo - Khenewa - Lada. Downloaded from on 21/10/2014

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