The only Buteo hawks that cling to cold climates, rough-legged hawks nest mostly in tundra regions north of the boreal forest, explains Audubon. But in the winter, a few move farther south, like this beauty photographed by Tony LePrieur in Calgary, Canada. As for the name, the "rough-legged" part refers to the feathering that cascades from legs to toes, a nifty bit of finery that provides warmth for these majestic cold-climate birds.
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