Bryan and Cherry Alexander / Chinstrap penguins (Pygoscelis antarcticus) on snowy rocks. Half Moon Island, South Shetland Islands, Antarctica, October.

Andy Rouse / Lonnberg's / Subantarctic Skua (Stercoraius antarcticus lonnbergi) displaying aggressive behaviour, South Shetland Islands, Antarctica. (Non-ex)

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

Colin Monteath / Adelie Penguin (Pygoscelis adeliae) on iceberg, South Shetland Islands, Antarctica Peninsula, Antarctica

Tui De Roy / Chinstrap Penguin (Pygoscelis antarctica) bowing over twin chicks Nelson Island, South Shetland Islands, Antarctica

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

SCOTLAND: The Big Picture / South Light at sunset, Fair Isle, Shetland, Scotland, UK, June.

Ashley Cooper / Passengers on an expedition cruise climbing the caldera on Deception Island, South Shetland Islands, Antarctic Peninsula. February 2014.

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 / Old British Antarctic Survey station, abandoned in 1967 when it was over run by a volcanic eruption. Deception Island, South Shetland Islands, Antarctic Peninsula.