A group of Emperor penguins marches towards the edge of the frozen sea ice to return to the ocean to feed. In the background is the ice shelf that flows down from Mt Erebus to form the McMurdo Ice shelf here on Ross Island, Antarctica
A group of Emperor penguins marches towards the edge of the frozen sea ice to return to the ocean to feed. In the background is the ice shelf that flows down from Mt Erebus to form the McMurdo Ice shelf here on Ross Island, Antarctica