Our Little Visitor – Do You Know What It Is?

A couple weeks ago we noticed Skipper was circling a tree and when we went out to investigate further we found this furry little creature in the tree.  It decided after a few minutes to come down and was chased by across the yard by Skipper.  After it made it’s way out of the yard we looked up online and in a couple books what it could be.  Brina was the one to figure it out first by looking at the pictures in one of the animal books we had at home.  Do you know what it is?

From what we can tell it is a………