That is all great to hear! Thanks for your love and conscientious care of little Willow! He is a very fortunate Squirrel! What you are doing with the...
My best guess is, that he fell out of a tree and hurt his back or hip, but without breaking any bones. My second guess relates to the puncture wound...
Of course if it's a nut but I can hold out a lot longer then her if she's not eating what she should. She's pretty stubborn but I'm just as stubborn....