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The site was identified as important in 2009 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
Swan Goose Anser cygnoid	EN	breeding	2004	present	A1
Common Shelduck Tadorna tadorna	LC	breeding	2004	present	A4i
Demoiselle Crane Anthropoides virgo	LC	breeding	2009	present	A3
Asian Houbara Chlamydotis macqueenii	VU	breeding	2009	present	A1
Dalmatian Pelican Pelecanus crispus	NT	breeding	2004	present	A1, A4i
Great Cormorant Phalacrocorax carbo	LC	breeding	2004	present	A4i
Relict Gull Larus relictus	VU	breeding	2004	present	A1
Pallas's Fish-eagle Haliaeetus leucoryphus	EN	breeding	2004	present	A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

Year	Protected Area	Designation	% overlap with IBA
1998	Valley of Lakes (Boon Tsagaan Nuur, Taatsiin Tsagaan Nuur, Adgiin Tasgaan Nuur, Orog Nuur)	Ramsar Site, Wetland of International Importance	54

Habitat1	Habitat detail	% of IBA
Desert		-
Wetlands (inland)		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Boon Tsagaan Lake (Mongolia). Downloaded from https://datazone.birdlife.org/site/factsheet/boon-tsagaan-lake-iba-mongolia on 23/11/2024.