Emperor penguin (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adults (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chicks (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chicks (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), chick and adult, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), chick and adults, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), chicks in colony, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chicks (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adult (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adults (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adult (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adulta (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chick and adult (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin chicks (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Pack ice and iceberg, Antarctic Peninsula, Weddell Sea, Antarctica, Polar Regions

Pack ice and iceberg, Antarctic Peninsula, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii) and tourists in Zodiac boat, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii) hauled out on ice at Snow Island, South Shetland Islands, Antarctica, Southern Ocean, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii), Half Moon Island, Shetland Islands, Antarctic, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii) hauled out on ice at Snow Island, South Shetland Islands, Antarctica, Southern Ocean, Polar Regions

Pack ice and icebergs, Antarctic Peninsula, Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii) hauled out on ice at Snow Island, South Shetland Islands, Antarctica, Southern Ocean, Polar Regions

Emperor penguins (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Panoramic view of iceberg in the Weddell Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Killer whales (orcas) (Orcinus orca) hunting, Weddell, Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Russian icebreaker, Kapitan Khlebnikov in pack ice, Weddell Sea, Antarctica, Polar Regions

Joinville island, Weddell, Sea, Antarctica, Polar Regions

Joinville island, Weddell, Sea, Antarctica, Polar Regions

Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

Paulet island, Weddell, Sea, Antarctica, Polar Regions

Joinville island, Weddell, Sea, Antarctica, Polar Regions

Large iceberg floating in the Weddell Sea, Antarctica, Polar Regions

Colony of emperor penguins (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Chinstrap penguins (Pygoscelis antarcticus), Half Moon Island, Antarctic Peninsula, Drake Passage, Weddell Sea, Antarctica, Polar Regions

Emperor penguin colony (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri), Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Sea ice, tabular icebergs, and brash ice in Erebus and Terror Gulf, Weddell Sea, Antarctica, Polar Regions

A small pod of pack Ice type B killer whales (Orcinus orca), just after making a Weddell seal kill in the Lemaire Channel, Antarctica, Polar Regions

A small pod of pack Ice type B killer whales (Orcinus orca), just after making a Weddell seal kill in the Lemaire Channel, Antarctica, Polar Regions

Adult Weddell seal (Leptonychotes weddellii), hauled out on ice in Buls' Bay, Brabant Island, Antarctica, Polar Regions

Icebergs and sea ice in the Weddell Sea on the eastern side of the Antarctic Peninsula during the summer months, Southern Ocean, Polar Regions

Icebergs and sea ice in the Weddell Sea on the eastern side of the Antarctic Peninsula during the summer months, Southern Ocean, Polar Regions

Iceberg in the Weddell Sea on the eastern side of the Antarctic Peninsula during the summer months, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Views of the eastern side of the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Views of the eastern side of the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Views of the eastern side of the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Antarctica, Polar Regions

A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions

A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) on ice near Devil Island in the Weddell Sea near the Antarctic Peninsula, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) in snowstorm at Brown Bluff on the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) in snowstorm at Brown Bluff on the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Weddell seal (Leptonychotes weddellii), Commonwealth Bay, Antarctica, Polar Regions

Adult emperor penguin (Aptenodytes forsteri), hauled out on ice near Snow Hill Island, Weddell Sea, Antarctica.

A group of Adelie penguins (Pygoscelis adeliae) on sea ice in Duse Bay, Weddell Sea, Antarctica, Polar Regions

An adult emperor penguin (Aptenodytes forsteri), on the ice near Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

An adult emperor penguin (Aptenodytes forsteri), on the ice near Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

An adult emperor penguin (Aptenodytes forsteri), on the ice near Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

A young emperor penguin (Aptenodytes forsteri), on the ice near Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguin (Aptenodytes forsteri) and chick, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Tabular icebergs in and around the Weddell Sea during the summer months, Antarctica, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

Humpback whale (Megaptera novaeangliae) surfacing in the Weddell Sea near the Antarctic Peninsula, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) on ice near Devil Island in the Weddell Sea near the Antarctic Peninsula, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae) in snowstorm at Brown Bluff on the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae) in snowstorm at Brown Bluff on the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) in snowstorm at Brown Bluff on the Antarctic Peninsula in the Weddell Sea, Antarctica, Polar Regions

An adult emperor penguin (Aptenodytes forsteri), on the ice near Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Emperor penguins (Aptenodytes forsteri) and chicks, Snow Hill Island, Weddell Sea, Antarctica, Polar Regions

Weddell Seal (Leptonychotes weddellii), hauled out on ice at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

Weddell Seal (Leptonychotes weddellii), hauled out on ice at Half Moon Island, Antarctica, Southern Ocean, Polar Regions