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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Long-tailed Duck Clangula hyemalis	VU	winter (1992–1993)	309,000 birds	A4i, B1i, C3
Red-throated Loon Gavia stellata	LC	winter (1992–1993)	2,800 birds	A4i, B1i, C2
Black Guillemot Cepphus grylle	LC	winter (1992–1993)	3,400 birds	A4ii, B1ii, C3
A4iii Species group - waterbirds	n/a	non-breeding (-)	100,000-499,999 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1999	Ovīši	Dabas liegums (IV)	<1
2001	Staldzenes stāvkrasts	Dabas piemineklis (III)	<1
2010	Irbes šaurums	Aizsargajama juras teritorija (IV)	82

Habitat	% of IBA	Habitat detail
Marine Neritic	major (>10)
Marine Intertidal	-

Land use	% of IBA
urban/industrial/transport	major (>10)
fisheries/aquaculture	major (>10)
tourism/recreation	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Irbe strait (Latvia). Downloaded from https://datazone.birdlife.org/site/factsheet/irbe-strait-iba-latvia on 23/12/2024.