@buyanisle: 🦴 Dinosaur Death Pose 🦴 #victoriatattoo #vancouverislandtattoo #dinosaurtattoo #dinosaur #paleoart Done at Teddy’s Tattoo

Defiant :

Pretty sure it is just the muscle and tendon fibers shrinking as they dry. Usually when a carcass is covered quickly there is no space for the bones to relax once the tissues release the bones.