Uvanlig svak is har tvunget sel i høye antall på land nord i Bottenviken i Sverige og Finland.
Alaska Dispatch skriver:
The far north of the Bay of Bothnia offers seals the best denning conditions in the Baltic Sea. Satellite monitoring indicates that this past winter, older adults spent time moving along the edge of the ice cover between the narrow region leading into the Bay of Bothnia and its northern reaches. Most juveniles ranged in much more limited areas.