|Most recent IBA monitoring assessment|
|Year of assessment||Threat score (pressure)||Condition score (state)||Action score (response)|
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A large archipelago on the eastern side of the Hanko peninsula. Hundreds of islands dominate the landscape, several of which are very large and forested, though most are small and rocky with very sparse vegetation.
An important area for island-breeding birds with the largest populations of Sterna caspia and Larus marinus in Finland.
BirdLife International (2023) Important Bird Areas factsheet: Tammisaari and Inkoo western archipelago. Downloaded from http://www.birdlife.org on 01/02/2023.