Adelie penguins (Pygoscelis adeliae) porpoising at sea at Brown Bluff, Antarctica, Southern Ocean, Polar Regions [Getty Images]

Adelie penguins (Pygoscelis adeliae) porpoising at sea at Brown Bluff, Antarctica, Southern Ocean, Polar Regions — see more

Adelie penguins (Pygoscelis adeliae) porpoising at sea at Brown Bluff, Antarctica, Southern Ocean, Polar Regions

Collection Mix: Subjects Michael Nolan