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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
Whooper Swan Cygnus cygnus	LC	breeding	2008	3 breeding pairs	C6
Corncrake Crex crex	LC	breeding	1995-2003	55-65 males	C1
Common Crane Grus grus	LC	passage	1995-2003	1,800-2,000 individuals	C2
Common Crane Grus grus	LC	breeding	2008	300 breeding pairs	C6
Black Stork Ciconia nigra	LC	breeding	2008	18 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	1995-2003	40-50 breeding pairs	C6
Lesser Spotted Eagle Clanga pomarina	LC	breeding	2008	25 breeding pairs	C6
White-tailed Sea-eagle Haliaeetus albicilla	LC	breeding	2008	18 breeding pairs	C6
Red Kite Milvus milvus	LC	breeding	2008	16 breeding pairs	C1, C6

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

Year	Protected Area	Designation	% overlap with IBA
1981	Iński Park Krajobrazowy	Park Krajobrazowy	20
1985	Głowacz	Rezerwat Przyrody	<1
1985	Kamienna Buczyna	Rezerwat Przyrody	<1
1985	Goóowacz	Nature Reserve	<1
1994	Wyspa Sołtyski	Rezerwat Przyrody	<1
1998	Obszar Chronionego Krajobrazu D (Choszczno-Drawno)	Obszar Chronionego Krajobrazu	3
2002	Pojezierze Ińskie	Site of Community Importance (Habitats Directive)	12
2002	Brzeźnicka Węgorza	Site of Community Importance (Habitats Directive)	1
2004	Ostoja Ińska	Special Protection Area (Birds Directive)	92
2004	Dorzecze Regi	Site of Community Importance (Habitats Directive)	1
2007	Krzemieńskie Źródliska	Rezerwat Przyrody	<1
2007	Bórbagno Miałka	Rezerwat Przyrody	<1
2009	Źródliskowe Zbocza	Rezerwat Przyrody	<1

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land	57
Forest	Broadleaved deciduous woodland, Mixed woodland	33
Grassland		5
Wetlands (inland)	Standing freshwater, Raised bogs, Water fringe vegetation	4
Other		1

1. IUCN Habitat classification.

Land use	% of IBA
forestry	53
agriculture	38
fisheries/aquaculture	9
hunting	-

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