Who needs Instagram?

I've been drawing a lot of bones recently and am always on the lookout for new specimens.  Before the recent heavy snow I found what looks like a fox skeleton, almost complete (in an Undisclosed Location).  It's in a good state of repair, and it has been interesting trying to reassemble it.  I assume it's a fox:  it doesn't seem chunky enough to be a badger, but it's definitely a carnivore judging by the ferocious-loking teeth.
I remembered to take photographs before gathering up the bones, and here are a few after a bit of manipulation (but no pre-sets or masks - and definitely no Instagram!)

 - and where could this wheel have come from? -