Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group tobogganing across vast distance of fast ice to nesting rookery, Kloa Point, Edward VIII Gulf, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group tobogganing across vast distance of fast ice to nesting rookery, Kloa Point, Edward VIII Gulf, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group tobogganing across vast distance of fast ice to nesting rookery, Kloa Point, Edward VIII Gulf, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group tobogganing across vast distance of fast ice to nesting rookery, Kloa Point, Edward VIII Gulf, Antarctica

Tui De Roy / Crabeater Seal (Lobodon carcinophagus) group hauled out on ice floe, Peterman Island, Antarctica Peninsula, Antarctica

Tui De Roy / Antarctic Petrel (Thalassoica antarctica) overlooking cliff-side nesting colony with 157,000 pairs, Scullin Monolith, Mawson Coast, east Antarctica

Tui De Roy / Chinstrap Penguin (Pygoscelis antarctica) nesting on boulders overlooking large colony in volcanic crater, Deception Island, South Shetland Islands, Antarctica

Norbert Wu / Emperor Penguin (Aptenodytes forsteri) colony, Cape Crozier, Antarctica

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) tail, Antarctica

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) tail, Antarctica

Jan Vermeer / Emperor Penguin (Aptenodytes forsteri) group with large striated iceberg, Scotia Sea, Antarctica

Jan Vermeer / Chinstrap Penguin (Pygoscelis antarctica) group on ice floes, Southern Thule, South Sandwich Islands, Antarctica