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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
European Nightjar Caprimulgus europaeus	LC	breeding	2005-2009	100-150 breeding pairs	C6
Eurasian Eagle-owl Bubo bubo	LC	breeding	2005-2009	8-12 breeding pairs	C6
White-tailed Sea-eagle Haliaeetus albicilla	LC	breeding	2005-2009	6-9 breeding pairs	C6
Black Kite Milvus migrans	LC	breeding	2005-2009	3-6 breeding pairs	C6
Woodlark Lullula arborea	LC	breeding	2005-2009	900-1,100 breeding pairs	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
1959	Kuźnik	Rezerwat Przyrody	<1
1961	Diabli Skok	Rezerwat Przyrody	<1
1974	Glinki	Rezerwat Przyrody	<1
1989	Pojezierze Wałeckie i Dolina Gwdy (woj. wielkopolskie)	Obszar Chronionego Krajobrazu	49
1989	Obszar Chronionego Krajobrazu Pojezierze Wałeckie i Dolina Gwdy (woj. zachodniopomorskie)	Obszar Chronionego Krajobrazu	30
1989	Dolina Noteci	Obszar Chronionego Krajobrazu	5
1989	Wielki Bytyń	Rezerwat Przyrody	2
1991	Smolary	Rezerwat Przyrody	<1
1991	Golcowe Bagno	Rezerwat Przyrody	<1
1994	Torfowisko Kaczory	Rezerwat Przyrody	<1
2002	Jezioro Wielki Bytyń	Site of Community Importance (Habitats Directive)	2
2004	Dolina Rurzycy	Site of Community Importance (Habitats Directive)	2
2005	Dolina Rurzycy	Rezerwat Przyrody	1
2007	Puszcza nad Gwdą	Special Protection Area (Birds Directive)	100
2008	Ostoja Pilska	Site of Community Importance (Habitats Directive)	2
2008	Wielkopolska Dolina Rurzycy	Rezerwat Przyrody	1
2015	Nietoperze w Starym Browarze	Rezerwat Przyrody	<1

Habitat1	Habitat detail	% of IBA
Forest		87
Artificial/Terrestrial		5
Wetlands (inland)		4
Grassland		3
Other		1

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Forest at Gwda River (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/forest-at-gwda-river-iba-poland on 22/11/2024.