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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Red-breasted Goose Branta ruficollis	VU	winter (1997)	120–200 birds	A1, C1
Greylag Goose Anser anser	LC	winter (1997)	300–500 birds	B1i, C3
Ferruginous Duck Aythya nyroca	NT	breeding (1996)	6–20 pairs	C6
White Stork Ciconia ciconia	LC	passage (1996)	10,000–15,000 birds	A4i, B1i, C2
Eurasian Spoonbill Platalea leucorodia	LC	breeding (1996)	1–6 pairs	B2, C6
Glossy Ibis Plegadis falcinellus	LC	passage (1996)	100–500 birds	A4i, B1i, C2
Eurasian Bittern Botaurus stellaris	LC	resident (1998)	3–6 pairs	C6
Common Little Bittern Ixobrychus minutus	LC	breeding (1996)	15–30 pairs	C6
Squacco Heron Ardeola ralloides	LC	breeding (2005)	50 pairs	B2, C2, C6
Purple Heron Ardea purpurea	LC	breeding (1998)	2–18 nests	C6
Purple Heron Ardea purpurea	LC	breeding (1998)	2–18 nests	C6
Little Egret Egretta garzetta	LC	breeding (1996)	80–100 pairs	C6
Dalmatian Pelican Pelecanus crispus	NT	non-breeding (1996)	20–40 birds	A1, A4i, B1i, C1, C2
Dalmatian Pelican Pelecanus crispus	NT	winter (1997)	9–40 birds	A1, A4i, B1i, C1, C2
Dalmatian Pelican Pelecanus crispus	NT	passage (1996)	20–40 birds	A1, A4i, B1i, C1, C2
Pygmy Cormorant Microcarbo pygmaeus	LC	passage (1996)	3–220 birds	A1, A4i, B1i, C1, C2
Black-winged Stilt Himantopus himantopus	LC	breeding (1998)	28 pairs	C6
Whiskered Tern Chlidonias hybrida	LC	breeding (1998)	20–450 pairs	C6
Black Tern Chlidonias niger	LC	breeding (1997)	10–15 pairs	C6
Common Tern Sterna hirundo	LC	breeding (1998)	40–60 pairs	C6
Common Tern Sterna hirundo	LC	breeding (1998)	40–60 pairs	C6
White-tailed Sea-eagle Haliaeetus albicilla	LC	resident (1998)	1 pairs	C6
Fieldfare Turdus pilaris	LC	winter (1996)	500–2,000 birds	B3

Year	Protected Area	Designation (management category)	% coverage of IBA
1995	Bezimenen Island	Protected Landscape (-)	1
2001	Kalimok - Brashlen	Zashtitena Mestnost (VI)	59
2001	Kalimok-Brushlen	Protected Landscape (-)	100

Habitat	% of IBA	Habitat detail
Wetlands (inland)	64	Standing freshwater; Rivers and streams; Water fringe vegetation
Grassland	29	Steppes and dry calcareous grassland; Humid grasslands
Forest	7	Alluvial and very wet forest

Land use	% of IBA
fisheries/aquaculture	-
tourism/recreation	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Kalimok Complex (Bulgaria). Downloaded from https://datazone.birdlife.org/site/factsheet/kalimok-complex-iba-bulgaria on 23/12/2024.