Nick Garbutt / Chin-strap Penguin (Pygoscelis antarcticus) displaying. Half-Moon Island, South Shetland Islands, Antarctica. February. (digitally stitched image)

Roy Mangersnes / Portrait of a Chinstrap Penguin (Pygoscelis antarcticus) in snowfall on Useful Island, Antarctica. November.

David Tipling / Falkland / Brown skua (Stercorarius antarcticus) in flight carrying a stolen Gentoo penguin egg (Pygoscelis papua) Sea Lion Island, Falklands

Andy Rouse / Chinstrap penguin (Pygoscelis antarcticus) jumping out of water, Antarctic Peninsula (non-ex)

Jordi Chias / Chinstrap penguin (Pygoscelis antarcticus) with chicks, Antarctic Peninsula, Antarctica.

Mike Potts / Chinstrap penguins (Pygoscelis antarcticus) adults feeding large fluffy chicks. Hydrurga Rocks, near Cuverville Island. Antarctic Peninsula.

Mike Potts / Chinstrap Penguins (Pygoscelis antarcticus) adults with large fluffy chicks. one picking up stones. Hydrurga Rocks. Near Cuverville Island. Antarctic Peninsula. January.

Mike Potts / Chinstrap penguins (Pygoscelis antarcticus) adults with large fluffy chicks. Hydrurga Rocks. Near Cuverville Island. Antarctic Peninsula. January.

Mike Potts / Chinstrap Penguins (Pygoscelis antarcticus) adults with large fluffy chicks. Hydrurga Rocks, near Cuverville Island. Antarctic Peninsula. January.

Mike Potts / Chinstrap penguins (Pygoscelis antarcticus) adults with large fluffy chicks. Hydrurga Rocks. Near Cuverville Island, Antarctic Peninsula.

Frederique Olivier / Panning shot of Chinstrap penguins (Pygoscelis antarcticus) displaying in colony, Aitcho Island, South Shetland Islands.

Frederique Olivier / View of a Chinstrap penguin (Pygoscelis antarcticus) colony, with a ship in the background, Aitcho Island, South Shetland Islands.