My friend sent me a couple of his fox pics from his vacation trip this week around Churchill, Manitoba.
Here's his Red Fox, the most widely-distributed and adaptable carnivore in the world:
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Churchill is technically sub-arctic, but it's in a band where the Red Fox and the Arctic Fox ranges have historically overlapped: Red Fox mostly to Arctic Circle, Arctic Fox mostly above. Here's his Arctic Fox pic:
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Below the fold, I have posted their range maps.
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Worldwide range of Red Fox: