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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
Common Quail Coturnix coturnix	LC	breeding	1998	250-300 breeding pairs	B2
Corncrake Crex crex	LC	breeding	2004	100-130 breeding pairs	A1, C1, C6
Eurasian Eagle-owl Bubo bubo	LC	resident	2002	10-12 breeding pairs	B2, C6
Golden Eagle Aquila chrysaetos	LC	resident	2005	4-5 breeding pairs	C6
Eurasian Green Woodpecker Picus viridis	LC	resident	1998	100-120 breeding pairs	B2
Grey-faced Woodpecker Picus canus	LC	resident	1998	20-30 breeding pairs	C6
Red-backed Shrike Lanius collurio	LC	breeding	1998	1,000-1,500 breeding pairs	B2
Barred Warbler Curruca nisoria	LC	breeding	1998	200-300 breeding pairs	C6
Rufous-tailed Rock-thrush Monticola saxatilis	LC	breeding	1998	10-20 breeding pairs	B2

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
1964	Elata	Prirodna Zabelezhitelnost	<1
1965	Skaklia	Prirodna Zabelezhitelnost	<1
1965	Siniya vir	Prirodna Zabelezhitelnost	-
1981	Zaskogo	Prirodna Zabelezhitelnost	<1
2006	Zapadna Stara planina i Predbalkan	Site of Community Importance (Habitats Directive)	100
2007	Ponor	Special Protection Area (Birds Directive)	100
2013	Planinski pelin - s. Brakyovtsi	Zashtitena Mestnost	<1

Habitat1	Habitat detail	% of IBA
Grassland	Humid grasslands, Mesophile grasslands	92
Forest	Broadleaved deciduous woodland	5
Rocky areas (eg. inland cliffs, mountain peaks)	Inland cliffs	3

1. IUCN Habitat classification.

Land use	% of IBA
hunting	100
agriculture	92
forestry	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ponor (Bulgaria). Downloaded from https://datazone.birdlife.org/site/factsheet/ponor-iba-bulgaria on 23/11/2024.