Squirelly

We have this crazy squirrel that hangs out in our yard.  I can always pick it out because its just so freakin weird.  Also, its tail is never puffy like the others, its very sleek.  It also walks a lot - where the other squirrels all hop to get around.  When I first noticed it, I thought it was ill, except then I started noticing that all the things it does are very energetic and it looks very healthy.  

It randomly decides to wrestle around on the ground and do somersaults ... ALL BY ITSELF - like its wrestling a phantom squirrel.  I'm not sure the other squirrels like to associate with it.  I've seen it eating leaves and flowers (I am wondering if it was mimicking the groundhogs).  And one day when a skunk was below the bird feeder munching on seeds, all the other birds, squirrels and chipmunks were nowhere to be seen ... this guy was about 2 feet from the skunk checking it out.  All squirrels use their hands to pick up food and things, but this one uses its hands more like a raccoon or a monkey.  While it does odd things and I sometimes think its mentally disabled, I think it might actually be an idiot savant (mostly because its still alive and hasn't been picked off by a hawk).  

Today I saw it eating a mushroom (which may explain a lot) then commando crawling across the ground ... it is an oddball for sure!