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The site was identified as internationally important for bird conservation in 2003 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 List	Season (year/s of estimate)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	breeding (2003)	2 pairs	C6
Gadwall Mareca strepera	LC	passage (2002)	550 birds	B1i, C3

Year	Protected Area	Designation (management category)	% coverage of IBA
2005	Koigi MKA, Raba skv.	Maastikukaitseala hooldatav sihtkaitsevöönd (V)	67
2005	Koigi MKA, Kõriskaru skv.	Maastikukaitseala hooldatav sihtkaitsevöönd (IV)	17
2005	Koigi MKA, Koigi pv.	Maastikukaitseala piiranguvöönd (V)	7
2005	Koigi MKA, Ollamäe pv.	Maastikukaitseala piiranguvöönd (V)	7
2005	Koigi MKA, Lõhmuste pv.	Maastikukaitseala piiranguvöönd (V)	1

Habitat	% of IBA	Habitat detail
Forest	64	Broadleaved deciduous woodland; Native coniferous woodland; Mixed woodland
Shrubland	22
Wetlands (inland)	12	Standing freshwater; Water fringe vegetation; Fens, transition mires and springs; Raised bogs
Grassland	2

Land use	% of IBA
nature conservation and research	99
forestry	65
fisheries/aquaculture	5
agriculture	2
hunting	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Koigi (Estonia). Downloaded from https://datazone.birdlife.org/site/factsheet/koigi-iba-estonia on 23/12/2024.