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The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Chestnut-breasted Partridge Arborophila mandellii	NT	resident	2002	present	A1, A2, A3
Rufous-necked Hornbill Aceros nipalensis	VU	resident	2002	present	A1
Grey-crowned Prinia Prinia cinereocapilla	VU	resident	2002	present	A1
Beautiful Nuthatch Sitta formosa	VU	resident	2002	present	A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Year	Protected Area	Designation	% overlap with IBA
1998	Thrumshingla	National Park	100

Habitat1	Habitat detail	% of IBA
Forest	Montane coniferous forest (mont temp/subtrop), Montane broadleaf evergreen forest (mont temp), Pine forest (subtropical)	-
Grassland	Alpine and subalpine grassland	-
Shrubland	Subalpine and alpine scrub	-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Thrumsing La National Park (Bhutan). Downloaded from https://datazone.birdlife.org/site/factsheet/thrumsing-la-national-park-iba-bhutan on 22/11/2024.