Gentoo penguin (Pygoscelis papua) climbing penguin highway on Cuverville Island, Antarctica, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Penguin tracks left on first year sea ice in the Lemaire Channel, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua) going and returning from sea to feed, Neko Harbour in Andvord Bay, Antarctica

Adult emperor penguin (Aptenodytes forsteri) foot print on frsh snow near Snow Hill Island in the Weddell Sea, Antarctica.

Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

Adult emperor penguin (Aptenodytes forsteri) tobogganing tracks left in fresh snow near Snow Hill Island in the Weddell Sea, Antarctica.

Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

Penguin pathways melted into the snow . Cuverville Island, Antarctica