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The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Western Capercaillie Tetrao urogallus	LC	breeding (2001)	15–20 males	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Pertakas	Ornithological Reserve (-)	32
1998	Pertako ornitologinis draustinis	Gamtinis draustinis (IV)	32
2005	Pertako misko biosferos poligonas	Biosferos poligonas (VI)	97
2014	Kuodziai Forest Pine Genetic Reserve	Gamtinis draustinis (IV)	1

Habitat	% of IBA	Habitat detail
Forest	97	Mixed woodland; Native coniferous woodland; Treeline ecotone
Artificial/Terrestrial	2	Arable land

Land use	% of IBA
forestry	62
nature conservation and research	32
agriculture	2

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Pertakas Ornithological Reserve (Lithuania). Downloaded from https://datazone.birdlife.org/site/factsheet/pertakas-ornithological-reserve-iba-lithuania on 08/01/2025.