Plugged up in the shop vac detailer attachment

Ever since I vacuumed out the baby socks and chicken bones from my bathroom wall, the detail attachment for my shop-vac has been plugged up with something. I finally pulled out some needle nose tweezers to go hunt for the offending matter.

It wasn't long before I excitingly shouted out a "WOAH! WAY COOL!" having discovered this little guy's skull lodged in there:

He's tiny—about the size of an index fingernail