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I would have to travel up higher north to see the ones with ear tufts on them. Also the ear tuft ones are smaller and faster. These fox squirrels are big and tame compared to the red squirrels. You will have to go out at night to see if you can get photos of these guys https://www.borealforest.org/world/mammals/russian_flying_squirrel.htm

And here, eared squirrels normally approach people and eat nuts from their hands)