Black Bear in the Sierra Mountains
Black Bear (Ursus americanus) in the California Sierra Mountains
Red Fox in Denali National Park
Red Fox (Vulpes vulpes) in Denali National Park, Alaska
Brown Bear Cub
Brown bear (Ursus arctos) cub stands up on hind legs in Alaska
Weddell Seal in Antarctica
Weddell Seal (Leptonychotes weddellii) in Antarctica
Antarctic Sunset
Sunset in Antarctica
Antarctic Iceberg
Iceberg in Antarctica
Gentoo Penguin Catching Snowflakes
Gentoo Penguin (Pygoscelis papua) catching snowflakes
Elephant Seal in Antarctica
Southern Elephant Seal (Mirounga leonina) in Antarctica
National Geographic Explorer in Antarctica
The M/V National Geographic Explorer in Antarctica