Adelie penguins (Pygoscelis adeliae), leaping near breeding colony, Heroina Island, Danger Island Group, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae), leaping near breeding colony, Heroina Island, Danger Island Group, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) breeding colony at Heroina Island, Danger Islands, Weddell Sea, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae) breeding colony at Heroina Island, Danger Islands, Weddell Sea, Antarctica, Polar Regions

Detail of a melting iceberg (note the dripping icicles) grounded at Heroina Island in the Weddell Sea, Antarctica. Note the snowy sheathbill on top of the iceberg.

Adleie penguins leaping in front of a beautiful Iceberg at Heroina Island in the Weddell sea, Antarctica.

Detail of a melting iceberg (note the dripping icicles) grounded at Heroina Island in the Weddell Sea, Antarctica.

Adult Adelie penguin (Pygoscelis adeliae) leaping from the sea onto ice floes near Heroina Island in the Weddell Sea, Antarctica. This penguin species is totally dependant on ice.

A lone Adelie penguin (Pygoscelis adeliae) hauled out on ice floes near Heroina Island in the Weddell Sea. Antarctica.

An ice cave formed on rocks at the Heroina Island Group near the Antarctic Peninsula.