Gabriel Rojo / Gentoo penguin (Pygoscelis papua) breeding colony amongst cliffs. Hannah Point, Livingston Island, South Shetlands, Antarctica. January 2006.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) with huge wound, probably from Leopard seal (Hydrurga leptonyx) attack, Hannah Point, Livingstone Island, South Shetland Islands, Antarctica.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) moulting at Hannah Point, Livingston Island, South Shetland Islands, Antarctica. Their guano is normally pink from the krill that they eat, the yellow and green guan...

Ashley Cooper / Gentoo penguin (Pygoscelis papua) with huge gash, probably from Leopard seal (Hydrurga leptonyx) attack, Hannah Point, Livingstone Island, South Shetland Islands, Antarctica.

Ashley Cooper / Tabular iceberg off Livingstone Island, Antarctic Peninsula. February 2014.

Brent Stephenson / Southern giant petrel (Macronectes giganteus) killing a Southern giant petrel chick, Livingston Island, South Shetland Islands, Antarctica, January.

Brent Stephenson / Two Brown skuas (Stercorarius antarcticus) feeding on a Gentoo penguin (Pygoscelis papua) chick with an adult watching, Livingston Island, South Shetland Islands, Antarctica, January.

Brent Stephenson / Close up of the underside of a dead Gentoo penguin's (Pygoscelis papua) foot, Livingston Island, South Shetland Islands, Antarctica, January.

Brent Stephenson / Close up of the top of a dead Gentoo penguin's (Pygoscelis papua) foot, Livingston Island, South Shetland Islands, Antarctica, January.

Brent Stephenson / Brown skua (Stercorarius antarcticus) fledgling sitting on ground, Livingston Island, South Shetland Islands, Antarctica, January.

Bryan and Cherry Alexander / Bright bands of mist hanging in the valleys by sharp aretes on the Burgas Peninsula, Livingston Island. St Shetlands. Antarctica.

David Tipling / Adelie Penguin, (Pygoscelis adeliae), chicks begging for food, silhouetted at dawn, Shingle Cove, Livingston Island, Antarctica