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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
Common Crane Grus grus	LC	passage (2000)	700 individuals	B1i, C3
Eurasian Golden Plover Pluvialis apricaria	LC	breeding (2000)	4 breeding pairs	C6
Wood Sandpiper Tringa glareola	LC	breeding (2000)	3 breeding pairs	C6
Short-eared Owl Asio flammeus	LC	breeding (1999)	5 breeding pairs	B2

Year	Protected Area	Designation (management category)	% coverage of IBA
1988	Mûðos tyrelio telmologinis draustinis	Nature Reserve (IV)	29
1992	Zagares regioninis parkas	Valstybinis parkas (V)	34

Habitat	% of IBA	Habitat detail
Forest	83	Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland; Treeline ecotone
Wetlands (inland)	13	Fens, transition mires and springs; Raised bogs; Rivers and streams; Standing freshwater
Artificial/Terrestrial	3	Arable land; Perennial crops, orchards and groves; Ruderal land
Grassland	1

Land use	% of IBA
forestry	80
energy production and mining	12
nature conservation and research	major (>10)
hunting	-
tourism/recreation	-

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Musos tyrelis raised bog with surrounding forest (Lithuania). Downloaded from https://datazone.birdlife.org/site/factsheet/musos-tyrelis-raised-bog-with-surrounding-forest-iba-lithuania on 09/01/2025.