Orcas: Marine mammals are spreading further into the Arctic Ocean as sea ice melts

Orcas – also known as killer whales – used to be unusual visitors to the Arctic Ocean off Alaska, but they are becoming more common there, which might be bad news for local ecosystems Life 2 December 2021 By Chen Ly Orcas in Prince William Sound near Alaska Calvin W. Hall/Design Pics Inc/Alamy Orcas are … Read more