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The site was identified as internationally important for bird conservation in 2013 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Great Crested Grebe Podiceps cristatus	LC	winter (2012–2013)	30,000–35,800 individuals	A4i, B1i
Yelkouan Shearwater Puffinus yelkouan	VU	non-breeding (2012–2013)	5,000–10,000 individuals	A1, A4ii, B1ii
Great Cormorant Phalacrocorax carbo	LC	winter (2011–2012)	10,000–30,000 individuals	A4i, B1i
Slender-billed Gull Larus genei	LC	winter (2011–2012)	5,000–10,000 individuals	A4i, B1i
Black-headed Gull Larus ridibundus	LC	winter (2012–2013)	100,000–180,000 individuals	A4i, B1i
Caspian Gull Larus cachinnans	LC	winter (2011–2012)	10,000–20,000 individuals	B1i
Short-toed Snake-eagle Circaetus gallicus	LC	breeding (2010)	9–10 breeding pairs	B2
A4iii Species group - waterbirds	n/a	winter (2012–2013)	195,000–300,000 individuals	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Bol'shoi Utrish	Zakaznik (IV)	14
1993	Abrausskiy	Zakaznik (IV)	34
2010	Utrish	Zapovednik (-)	47

Habitat	% of IBA	Habitat detail
Forest	78
Marine Coastal/Supratidal	22

Land use	% of IBA
nature conservation and research	80
tourism/recreation	20

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Utrish Reserve and adjacent coastal waters (Russia (European)). Downloaded from https://datazone.birdlife.org/site/factsheet/utrish-reserve-and-adjacent-coastal-waters-iba-russia-(european) on 19/01/2025.