MCU young emperor penguin, downy feathers still attached to most of its body, Antarctica

MS Chinstrap penguin juvenile on rocky view point, looking across sea to snow covered mountains, Antarctica

CU Emperor Penguins, Aptenodytes forsteri, standing, against blue sky, Antarctica

MS Adelie Penguins, Pygoscelis adeliae, juveniles chasing adult penguin over rocky ground, Antarctica

MS Chinstrap penguin, Pygoscelis antarcticus, arguing, Antarctica

CU Chinstrap penguin feeding chick, Antarctica

MS juvenile Emperor Penguin, Aptenodytes forsteri, shaking itself and nodding head, Antarctica

MS Emperor penguin waddling right to left across ice, ice cliff in background, Antarctica

MS Emperor penguins lying down on ice during blizzard, Antarctica

WA large iceberg in sea, Adelie Penguins, Pygoscelis adeliae, leaping through water, Antarctica

MS Gentoo Penguin, Pygoscelis papua, looking for food under surface of water, Antarctica

MS Skua gull with bloodied beak squawking, Antarctica

WA group of seals lying on ice in sun, Antarctica

CU Adelie Penguin, Pygoscelis adeliae, juvenile waddling around adult, Antarctica

MCU Emperor penguin standing in blizzard, rest of group on bellies in background, Antarctica

CU Adelie Penguin, Pygoscelis adeliae, on land, Antarctica

WA Aerial shot over snowy, mountainous landscape, Antarctica

CU Blue colour inside iceberg, icicles hanging, edited sequence, Antarctica

MS Adelie Penguin, Pygoscelis adeliae, on land, Antarctica

MS Emperor Penguins, Aptenodytes forsteri, standing in group on ice, Antarctica

WA Chinstrap Penguin, Pygoscelis antarcticus, waddling on rocks near water, Antarctica

MS view through arch in iceberg to sky and clouds at dusk, sequence, Antarctica

CU Weddell Seal, Leptonychotes weddellii, poking head out of water, Antarctica

MCU Emperor penguin waddling right to left across ice, ice cliff in background, Antarctica