Getty Images
CU Magellanic penguins, Spheniscus magellanicus, peering out from underneath bush, Antarctica
CU Magellanic penguins, Spheniscus magellanicus, peering out from underneath bush, Antarctica
Getty Images
BCU Adelie Penguin, Pygoscelis adeliae, face, Antarctica
BCU Adelie Penguin, Pygoscelis adeliae, face, Antarctica
Getty Images
CU Emperor penguin's head bowed down then lifting, Antarctica
CU Emperor penguin's head bowed down then lifting, Antarctica
Getty Images
MS adult King Penguins pecking at juvenile, Antarctica
MS adult King Penguins pecking at juvenile, Antarctica
Getty Images
MS newly hatched King Penguin, Aptenodytes patagonicus, chick peering out from under parent, Antarctica
MS newly hatched King Penguin, Aptenodytes patagonicus, chick peering out from under parent, Antarctica
Getty Images
MS King Penguin, Aptenodytes patagonicus, losing downy feathers, Antarctica
MS King Penguin, Aptenodytes patagonicus, losing downy feathers, Antarctica
Getty Images
MS Chinstrap penguins, Pygoscelis antarcticus, calling and flapping on land, edited sequence, Antarctica
MS Chinstrap penguins, Pygoscelis antarcticus, calling and flapping on land, edited sequence, Antarctica
Getty Images
MS group of King Penguins, Aptenodytes patagonicus, waddling along over rocks, Antarctica
MS group of King Penguins, Aptenodytes patagonicus, waddling along over rocks, Antarctica
Getty Images
MS King Penguin colony with parents feeding young, Antarctica
MS King Penguin colony with parents feeding young, Antarctica
Getty Images
MS Rockhopper penguins, Eudyptes chrysocome, struggling uphill of ice, Antarctica
MS Rockhopper penguins, Eudyptes chrysocome, struggling uphill of ice, Antarctica
Getty Images
MS group of King Penguins, Aptenodytes patagonicus, in colony, Antarctica
MS group of King Penguins, Aptenodytes patagonicus, in colony, Antarctica
Getty Images
CU Chinstrap penguin, Pygoscelis antarcticus, calling out, edited sequence, Antarctica
CU Chinstrap penguin, Pygoscelis antarcticus, calling out, edited sequence, Antarctica
Getty Images
WA Emperor penguin sliding across ice on belly, propelling itself with wings, Antarctica
WA Emperor penguin sliding across ice on belly, propelling itself with wings, Antarctica
Getty Images
MS Emperor penguins, Aptenodytes forsteri, standing on ice, Antarctica
MS Emperor penguins, Aptenodytes forsteri, standing on ice, Antarctica
Getty Images
CU tilt up King Penguin, Aptenodytes patagonicus, waddling along shore, Antarctica
CU tilt up King Penguin, Aptenodytes patagonicus, waddling along shore, Antarctica
Getty Images
MS Adelie Penguins, Pygoscelis adeliae, waddling into water from shore, edited sequence, Antarctica
MS Adelie Penguins, Pygoscelis adeliae, waddling into water from shore, edited sequence, Antarctica
Getty Images
MCU Group of Emperor penguins huddled in blizzard, several sliding on bellies in foreground, Antarctica
MCU Group of Emperor penguins huddled in blizzard, several sliding on bellies in foreground, Antarctica
Getty Images
CU pair of Emperor Penguins, Aptenodytes forsteri, blue sky in background, edited sequence, Antarctica
CU pair of Emperor Penguins, Aptenodytes forsteri, blue sky in background, edited sequence, Antarctica
Getty Images
Aerial view of Penguins leaping and diving in water, Antarctica
Aerial view of Penguins leaping and diving in water, Antarctica
Getty Images
MS Emperor penguins standing in line on ice during blizzard, Antarctica
MS Emperor penguins standing in line on ice during blizzard, Antarctica
Getty Images
BCU Adelie Penguin, Pygoscelis adeliae, face, Antarctica
BCU Adelie Penguin, Pygoscelis adeliae, face, Antarctica
Getty Images
MS Adelie penguins, Pygoscelis adeliae, on rocky shore, Antarctica
MS Adelie penguins, Pygoscelis adeliae, on rocky shore, Antarctica
Getty Images
MS Adelie Penguins, Pygoscelis adeliae, juvenile chasing adult penguin through colony, Antarctica
MS Adelie Penguins, Pygoscelis adeliae, juvenile chasing adult penguin through colony, Antarctica
Getty Images
MS pair of Gentoo Penguins, Pygoscelis papua, fighting on rocky ground, Antarctica
MS pair of Gentoo Penguins, Pygoscelis papua, fighting on rocky ground, Antarctica