First Place 2016 National Wildlife - Mammal

'Deep snow, long shadows and a willful line of bison yield a powerful portrait of a charismatic animal in one of America’s most iconic landscapes: Yellowstone National Park in Wyoming. A professional guide and photographer, Cindy Goeddel made this image on a frigid February afternoon while leading tourists through the park, home to more than 4,000 genetically pure wild American bison.'