Richard Robinson / Snares crested penguin (Eudyptes robustus) on rock washed with sea surf, Snares (Tine Heke) Sub Antarctic Island Group, Southern Ocean, New Zealand. December 2016. Editorial use only.

Frederique Olivier / Pair of King penguins (Aptenodytes patagonicus) regurgitating and calling with chick nearby, Macquarie Island, Sub-Antarctic Australia.

Frederique Olivier / Two King penguins (Aptenodytes patagonicus) walking along the shore, shot tilts up from feet to head, Macquarie Island, Sub-Antarctic Australia.

Frederique Olivier / Close-up of a Light-mantled sooty albatross (Phoebetria palpebrata) building its nest, Macquarie Island, Sub-Antarctic Australia.

Frederique Olivier / Close-up of a dominant male Southern elephant seal (Mirounga leonina) calling, Macquarie Island, Sub-Antarctic Australia.

Tui De Roy / Snares Crested penguin (Eudyptes robustus) group walking up granite slope into Oleander forest, Station Point colony. Snares Island, New Zealand Sub-Antarctic Islands.

Ingo Arndt / Wind storm in Fortuna Bay area, South Georgia, February 2011

Ingo Arndt / Fisheries Protection Vessel (Pharos) arrived at King Edward Point with King penguins on shoreline, South Georgia Heritage Trust Rat Eradication Project, South Georgia, February 2011

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Erect-crested penguin (Eudyptes sclateri) surfacing near Bounty Island, Sub-Antarctic New Zealand, March. Endangered species.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Light-mantled sooty albatross (Phoebetria palpebrata) in flight, Auckland Island, Sub-Antarctic New Zealand. February.