I really haven't put too much thought into the fact that there are clearly like 4 different species of squirrel around here and yet i don't really differentiate them other than big vs small

I really haven't put too much thought into the fact that there are clearly like 4 different species of squirrel around here and yet i don't really differentiate them other than big vs small
four squirrel!!! in the city here we really only have one (eastern gray)
i cannot guarantee there are actually 4 (at least not without also counting chipmunks) but we definitely have eastern gray and some kind of red squirrel. i think there are more tho