They are considered one of the most common squirrels in OH but being more active at night, less folks see em.
When they “take flight” , as soon as they hit the tree they land on , usually they will scoot around to the other side of it as a defense from predators.
I had some in my walls last winter. Little bastards are very social and usually live in groups of 6-10. . .
They make a hell of a lot of noises during the night ... and not so easy to convince to find other housing...