A lone bison scavenges a grassy meal buried under a snow-covered meadow in Yellowstone Park.
These prehistoric beasts are well-adapted to survival in colder climes as winter temps here can plunge well into the negatives. They use their strong neck muscles and shovel-shaped faces to plow through deep snow to find the nutrients beneath. The bison is North America’s largest land mammal. With adults’ weights ranging from 1,000-2,000 pounds or more, they have to eat a lot. They are seen with their faces in the snow most of the time, perhaps only pausing to look up to momentarily observe a passing snowshoer.
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