Cormorant colonies in the Archipelago Sea. © Photo Riku Lumiaro.
Press release August 11, 2020 Finnish Environment Institute
One third of the cormorant nests were found in both the Gulf of Finland and the Bothnian Sea, one fifth in the Archipelago Sea, 12% in Kvarken and 5% in the Bothnian Bay. In Kvarken, the population declined by 16%, in the Archipelago Sea by 14% and in the Gulf of Finland by two per cent, while it increased by 70% in the Bothnian Bay and by 17% in the Bothnian Sea.