Fred Olivier / Chinstrap penguin (Pygoscelis antarcticus) moving a feather in its nest, Aitcho Island, South Shetland Islands.

Fred Olivier / Chinstrap penguin (Pygoscelis antarcticus) adding a stick to its nest and fighting with a neighbouring pair, Aitcho Island, South Shetland Islands.

Fred Olivier / Panning shot of a Chinstrap penguin (Pygoscelis antarcticus) breeding colony, Aitcho Island, South Shetland Islands.

Mark Carwardine / Chinstrap Penguins (Pygoscelis antarcticus) standing on ice. South Shetland Islands, Antarctica, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Brent Stephenson / Flock of Cape petrels (Daption capense capense) in flight against the sea. Against the sun. South Shetland Islands, Antarctica, January.

Brent Stephenson / Waves crashing on a massive iceberg. Drake Passage, near the South Shetland Islands, Antarctica, January.

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Brent Stephenson / Flock of Cape Petrels (Daption capense capense) in flight, heading away against the sky. South Shetland Islands, Antarctica, December.

Brent Stephenson / Huge iceberg with streaked sky under expansive open sky. Drake Passage, near the South Shetland Islands, Antarctica, December.

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

Bryan and Cherry Alexander / Gentoo penguin (Pygoscelis papua) standing on volcanic beach at Whalers Bay, with tourists in kayak beyond. Deception Island, South Shetland Islands, Antarctica, 2009.

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

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

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

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

Ashley Cooper / Plastic fishing gear washed ashore onto pebble beach. Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Algae in melting ice on glacier, Southern Ocean in background. Robert Point, Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Meltwater from retreating glacier running over stones down to sea. Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Meltwater on retreating glacier, bay on Southern Ocean in background. Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Algae in melting ice on glacier. Robert Point, Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Chinese tourists posing beside Whale skeleton at Great Wall Station, a Chinese research base. King George Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Whale skeleton at Great Wall Station, Chinese research base. King George Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Workers standing near Chinese flag at Great Wall Station, Chinese research base, King George Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Great Wall Station, Chinese base for scientific research. King George Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Lichen and Moss covered rocks. Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Algae on melt water of retreating glacier, coast and Southern ocean in distance. Robert Point, Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Melt water on retreating glacier. Robert Point, Robert Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Edge of retreating glacier, shore below. Livingston Island, South Shetland Islands, Antarctica. December 2019.

Ashley Cooper / Antarctic skua (Catharacta maccormicki), two feeding, ripping Gentoo penguin (Pygoscelis papua) chick apart. Adult penguin watching. Elephant Point, Livingston Island, South Shetland Islands, Antarcti...

Ashley Cooper / Tourists from expedition cruise ship amongst Chinstrap penguin (Pygoscelis antarcticus) colony. Breeding bird numbers have rapidly declined from 100,000 to 20,000 in the past thirty years. Baily Head,...

Ashley Cooper / Tourists from expedition cruise ship amongst Chinstrap penguin (Pygoscelis antarcticus) colony. Breeding bird numbers have rapidly declined from 100,000 to 20,000 in the past thirty years. Baily Head,...

Ashley Cooper / Coastal cliff and sea stack in Southern Ocean with cruise ship in background. Deception Island, South Shetland Islands, Antarctica. December 2019.

Ashley Cooper / Tourists landing at Frei Station during Antarctic tourism trip from Punta Arenas, Chile. King George Island, South Shetland Islands. December 2019.

Ashley Cooper / Tourists boarding plane during Antarctic tourism trip from Punta Arenas, Chile. South Shetland Islands, Antarctica. December 2019.

Ashley Cooper / Wilson's storm petrel (Oceanites oceanicus) in flight, feeding on plankton. Southern Ocean, King George Island, South Shetland Islands, Antarctica.

Ashley Cooper / Snout of retreating glacier. Fort Point, Greenwich Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Chinstrap penguin (Pygoscelis antarcticus) on glacier. Fort Point, Greenwich Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) breeding colony on rocks below glacier. Fort Point, Greenwich Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Southern elephant seal (Mirounga leonina) pup on shore, playing with flag planted to mark safe route for tourists. Elephant Point, Livingston Island, South Shetland Islands, Antarctica. January 2020.

Ashley Cooper / Southern elephant seal (Mirounga leonina) pup on shore, playing with flag planted to mark safe route for tourists. Elephant Point, Livingston Island, South Shetland Islands, Antarctica. January 2020.

Jeff Foott / Chinstrap penguin (Pygoscelis antarctica) displaying, Aitcho Islands, South Shetland Islands, Antarctica.

Nick Garbutt / RF - Chinstrap penguins (Pygoscelis antarctica) displaying, Half-Moon Island, South Shetland Islands, Antarctica (This image may be licensed either as rights managed or royalty free.)

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.

SCOTLAND: The Big Picture / Sunset looking south from St Ninian Isle, Shetland, Scotland, UK, November.

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