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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
Red-breasted Goose Branta ruficollis	VU	breeding	2004	present	A1, A3
Lesser White-fronted Goose Anser erythropus	VU	breeding	2004	present	A1, A3
Long-tailed Duck Clangula hyemalis	VU	breeding	2004	present	A3, A4i
King Eider Somateria spectabilis	LC	breeding	2004	present	A3, A4i
Steller's Eider Polysticta stelleri	VU	breeding	2004	present	A3, A4i
Baikal Teal Sibirionetta formosa	LC	breeding	2004	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
1995	Terpej-Tumus	Resource Reserve	80

Habitat1	Habitat detail	% of IBA
Grassland	Tundra	major (>10)
Wetlands (inland)		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Terpyey-Tumus (Russia (Asian)). Downloaded from https://datazone.birdlife.org/site/factsheet/terpyey-tumus-iba-russia-(asian) on 23/11/2024.