• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

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
Common Pochard Aythya ferina	VU	breeding	2014-2023	15-25 breeding pairs	A1, C1
Black-headed Gull Larus ridibundus	LC	breeding	2014-2023	3,000-3,500 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
Wetlands (inland)	Standing freshwater	major (>10)

1. IUCN Habitat classification.

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