Southern elephant seals sparring
Blue-eyed Shags squabbling in their nest
Adélie Penguins enter the water at Brown Bluff
Humpback whale breaches in Antarctica
Gentoo penguin climbs a trail
Barnacle-encrusted tail of a humpback whale
Elephant seal sleeping on Barrientos Island in Antarctica
Chinstrap penguin on Barrientos Island in Antarctica
Caribou shedding antler velvet
Caribou running along the shore of Ennadai Lake
Caribou with fall colors at Ennadai Lake, Nunavut
Brown bear rises on its hind legs to search for fish in Kurile Lake, Russia.