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The site was identified as important in 2005 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
White-headed Duck Oxyura leucocephala	EN	winter	2000	958 individuals	A1, A4i, B1i, C1, C2
White-headed Duck Oxyura leucocephala	EN	passage	1997	19-43 individuals	A1, C1
Whooper Swan Cygnus cygnus	LC	winter	1997	20-174 individuals	B1i, C2
Red-breasted Goose Branta ruficollis	VU	winter	1997	7-1,975 individuals	A1, A4i, B1i, C1, C2
Greater White-fronted Goose Anser albifrons	LC	winter	2001	12,127 individuals	B1i, C3
Common Pochard Aythya ferina	VU	winter	1996	355-25,500 individuals	A4i, B1i, C3
Tufted Duck Aythya fuligula	LC	winter	1997	250-15,807 individuals	B1i, C3
Common Little Bittern Ixobrychus minutus	LC	breeding	1998	30 breeding pairs	B2, C6
Dalmatian Pelican Pelecanus crispus	NT	winter	1998	132 individuals	A1, A4i, B1i, C1, C2
Great White Pelican Pelecanus onocrotalus	LC	passage	1998	2,074 individuals	A4i, B1i, C2
Pygmy Cormorant Microcarbo pygmaeus	LC	winter	1999	5,100 individuals	A1, A4i, B1i, C1, C2
Pygmy Cormorant Microcarbo pygmaeus	LC	passage	1996	9-92 individuals	A1, C1
Great Cormorant Phalacrocorax carbo	LC	winter	2000	6,122 individuals	A4i, B1i, C3
Yellow-legged Gull Larus michahellis	LC	winter	1998	1,500 individuals	B1i, C3
A4iii Species group - waterbirds	n/a	winter	-	20,000-49,999 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2005) may differ.

Year	Protected Area	Designation	% overlap with IBA
1973	Vaya	Protected Landscape	13
1984	Atanasovo Lake	Ramsar Site, Wetland of International Importance	39
1997	Vaya	Zashtitena Mestnost	12
2002	Vaya Lake	Ramsar Site, Wetland of International Importance	94
2006	Burgasko ezero	Site of Community Importance (Habitats Directive)	100
2007	Burgasko ezero	Special Protection Area (Birds Directive)	100

Habitat1	Habitat detail	% of IBA
Marine Coastal/Supratidal		100

1. IUCN Habitat classification.

Land use	% of IBA
fisheries/aquaculture	80
hunting	50
urban/industrial/transport	50
agriculture	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Burgasko Lake (Bulgaria). Downloaded from https://datazone.birdlife.org/site/factsheet/burgasko-lake-iba-bulgaria on 22/11/2024.