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The site was identified as important in 2024 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
Willow Grouse Lagopus lagopus	LC	breeding	2016	3,379-5,778 breeding pairs	B1b
Common Ringed Plover Charadrius hiaticula	LC	breeding	2016	584-876 breeding pairs	B2a
Bar-tailed Godwit Limosa lapponica	NT	breeding	2016	407-570 breeding pairs	B1a, B1b, C6
Broad-billed Sandpiper Calidris falcinellus	VU	breeding	2016	1,938-2,707 breeding pairs	B1b
Temminck's Stint Calidris temminckii	LC	breeding	2016	148-237 breeding pairs	B1b
Dunlin Calidris alpina	NT	breeding	2016	1,326-1,989 breeding pairs	B1b
Common Snipe Gallinago gallinago	LC	breeding	2016	1,801-2,531 breeding pairs	B1b
Jack Snipe Lymnocryptes minimus	LC	breeding	2016	439-878 breeding pairs	B1b
Red-necked Phalarope Phalaropus lobatus	LC	breeding	2016	2,078-3,177 breeding pairs	B1b, C6
Spotted Redshank Tringa erythropus	LC	breeding	2016	469-656 breeding pairs	B1b
Hen Harrier Circus cyaneus	LC	breeding	2016	26-36 breeding pairs	B1b
Peregrine Falcon Falco peregrinus	LC	breeding	2016	10-20 breeding pairs	C6
Bluethroat Luscinia svecica	LC	breeding	2016-2106	9,654-14,482 breeding pairs	C6
Western Yellow Wagtail Motacilla flava	LC	breeding	2016	17,834-28,535 breeding pairs	B1b
Lapland Longspur Calcarius lapponicus	LC	breeding	2016	31,376-47,065 breeding pairs	B1b

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2024) may differ.

Habitat1	Habitat detail	% of IBA
Grassland	Alpine, subalpine and boreal grassland	major (>10)
Wetlands (inland)	Fens, transition mires and springs	major (>10)
Forest		minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Pöyrisjärvi wilderness (Finland). Downloaded from https://datazone.birdlife.org/site/factsheet/pöyrisjärvi-wilderness-iba-finland on 23/11/2024.