Predator & Prey Olympics:  White on White

On the Arctic tundra, predator and prey alike are aided by fur or feathers the color of snow.
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Some, like the Gyrfalcon and Snowy Owl, stay white year round; others, like Ptarmigan and Snowshoe Hare, turn white for winter. Forcing its inhabitants to migrate, adapt, or perish, the world’s harshest, yet most sensitive, environment is the setting for a continual life-and-death drama.