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:
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:
Below the fold, I have posted their range maps.
Worldwide range of Red Fox: