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The site was identified as important in 2010 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
Hazel Grouse Tetrastes bonasia	LC	breeding	2004-2008	500-700 breeding pairs	C6
Corncrake Crex crex	LC	breeding	2004-2008	500-550 males	C1, C6
Black Stork Ciconia nigra	LC	breeding	2004-2008	30-35 breeding pairs	C6
Eurasian Pygmy-owl Glaucidium passerinum	LC	breeding	2004-2008	25-30 breeding pairs	C6
Boreal Owl Aegolius funereus	LC	breeding	2004-2008	25-35 breeding pairs	C6
Ural Owl Strix uralensis	LC	breeding	2004-2008	150-200 breeding pairs	C6
Eurasian Eagle-owl Bubo bubo	LC	breeding	2004-2008	10-20 breeding pairs	C6
European Honey-buzzard Pernis apivorus	LC	breeding	2004-2008	50-60 breeding pairs	C6
Lesser Spotted Eagle Clanga pomarina	LC	breeding	2004-2008	40-45 breeding pairs	C6
Golden Eagle Aquila chrysaetos	LC	breeding	2004-2008	5-10 breeding pairs	C6
Common Kingfisher Alcedo atthis	LC	breeding	2004-2008	100-200 breeding pairs	C6
Grey-faced Woodpecker Picus canus	LC	breeding	2004-2008	250-300 breeding pairs	C6
Three-toed Woodpecker Picoides tridactylus	LC	breeding	2004-2008	70-100 breeding pairs	C6
White-backed Woodpecker Dendrocopos leucotos	LC	breeding	2004-2008	80-120 breeding pairs	C6
Barred Warbler Curruca nisoria	LC	breeding	2004-2008	200-300 breeding pairs	C6
Collared Flycatcher Ficedula albicollis	LC	breeding	2004-2008	800-1,200 breeding pairs	C6
Red-breasted Flycatcher Ficedula parva	LC	breeding	2004-2008	500-700 breeding pairs	C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2010) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management planning has taken place	Very little or no conservation action taking place	low

Year	Protected Area	Designation	% overlap with IBA
1971	Góra Sobień	Rezerwat Przyrody	<1
1992	Park Krajobrazowy Gór Słonnych	Park Krajobrazowy	98
1996	Chwaniów	Rezerwat Przyrody	1
1996	Na Opalonym	Rezerwat Przyrody	<1
1996	Polanki	Rezerwat Przyrody	<1
1996	Dyrbek	Rezerwat Przyrody	<1
1996	Turnica	Rezerwat Przyrody	<1
2000	Na Oratyku	Rezerwat Przyrody	<1
2000	Nad Trzciańcem	Rezerwat Przyrody	<1
2000	Buczyna w Wańkowej	Rezerwat Przyrody	<1
2002	Cisy w Serednicy	Rezerwat Przyrody	<1
2003	Rzeka San	Site of Community Importance (Habitats Directive)	<1
2006	Ostoja Góry Słonne	Site of Community Importance (Habitats Directive)	76
2008	Góry Słonne	Special Protection Area (Birds Directive)	98

Habitat1	Habitat detail	% of IBA
Forest		67
Artificial/Terrestrial		16
Grassland		14
Other		2
Wetlands (inland)		1

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Slonne Mountains (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/slonne-mountains-iba-poland on 23/11/2024.