A cautious group of Adélie penguins keep a close watch on the zodiac that circles their iceberg. The Danger Islands, home to more than 1.5 million Adélie penguins, is usually inaccessible to human visitors so the wildlife are more cautious than other parts of Antarctica.
Adélie penguins catch a ride on a rocking iceberg off the coast of the Danger Islands, Antarctica.
Adélie penguins march along the beach near Brown Bluff, Antarctica.
