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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
Mute Swan Cygnus olor	LC	winter (1994–2004)	2,120–4,650 birds	C3
Corncrake Crex crex	LC	breeding (1994–2004)	20–50 pairs	C1
Eurasian Bittern Botaurus stellaris	LC	breeding (1994–2004)	15–30 pairs	C6
Common Little Bittern Ixobrychus minutus	LC	breeding (1994–2004)	1–5 pairs	C6
Ruff Calidris pugnax	LC	breeding (1994–2004)	5–25 pairs	C6
Black Tern Chlidonias niger	LC	breeding (1994–2004)	150–270 pairs	C2, C6
Common Tern Sterna hirundo	LC	breeding (1994–2004)	100–150 pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding (1994–2004)	20–40 pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding (1994–2004)	5–10 pairs	C6
Aquatic Warbler Acrocephalus paludicola	VU	breeding (1994–2004)	2–5 pairs	C6
A4iii Species group - waterbirds	n/a	passage (-)	20,000 birds	C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1977	Liepājas ezers	Dabas liegums (IV)	93

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	73
Grassland	23	Mesophile grasslands
Shrubland	2	Scrub
Artificial/Terrestrial	1	Arable land; Other urban and industrial areas; Urban parks and gardens; Highly improved re-seeded landscapes
Forest	1	Broadleaved deciduous woodland

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
hunting	-
tourism/recreation	-

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