The formerly common eider is now endangered December 9, 2019December 12, 2019 Heidi MetsäläKevät, Lintuluodot
Croaking, bubbling or an impressive spawning guise? December 2, 2019December 23, 2019 Heidi MetsäläKevät, Pienvedet
The coastal waters of Ruissalo have been taken over by round gobies and Harris mud crabs! December 2, 2019December 23, 2019 Heidi MetsäläKevät, Vedenalainen luonto
The underwater nature of Ruissalo December 2, 2019December 23, 2019 Heidi MetsäläKevät, Vedenalainen luonto
The barnacle goose thrives on Ruissalo December 2, 2019December 23, 2019 Heidi MetsäläKevät, Lintuluodot
An islet seized by great cormorants December 2, 2019December 18, 2019 Heidi MetsäläKevät, Lintuluodot