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The site was identified as internationally important for bird conservation in 2007 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
Whooper Swan Cygnus cygnus	LC	passage (1990–2006)	100–200 birds	C2
Greylag Goose Anser anser	LC	passage (1990–2006)	900–1,200 birds	C3
Common Goldeneye Bucephala clangula	LC	winter (1990–2006)	220–240 birds	C3
Smew Mergellus albellus	LC	winter (1990–2006)	40–60 birds	C2, C6
Smew Mergellus albellus	LC	passage (1990–2006)	100–150 birds	C2
Ferruginous Duck Aythya nyroca	NT	passage (1990–2006)	600–1,200 birds	C1, C2
Pygmy Cormorant Microcarbo pygmaeus	LC	passage (1990–2006)	200–400 birds	C2
A4iii Species group - waterbirds	n/a	passage (1990–2006)	20,000 birds	C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1995	Stânca Ștefănești	Rezervatie naturala (IV)	-

Habitat	% of IBA	Habitat detail
Wetlands (inland)	38	Standing freshwater
Artificial/Terrestrial	27	Arable land; Forestry plantations
Forest	23
Shrubland	12

Land use	% of IBA
water management	34
fisheries/aquaculture	34
agriculture	20
tourism/recreation	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Stânca lake - Costeşti (Romania). Downloaded from https://datazone.birdlife.org/site/factsheet/stânca-lake--costeşti-iba-romania on 23/12/2024.