A pod of 13 killer whales trapped under drifting ice off the coast of Japan may have been able to escape after the dense ice floes broke apart.
Two cases of bird flu confirmed among penguins in the Falkland Islands.
The first sub-Antarctic penguin chicks of the season have hatched near Ukraine's Akademik Vernadsky station, with 8 out of 11 eggs producing babies, and a boom in penguin births is expected.