These guys are cool - the only problem with flexible bones is that it limits the amount of strength they can apply. Perhaps they can conciously increase the rigidity of their bones (magic?) to get around this. Go to Comment
Agreed. It should be voted upon, and added to, so now on my favorite list for contemplation.
Based on the first image Moon posted, I thought they could actually be the marks of some type of grinding operation (wheat?) but with notes that they also occur on the sides of stones blows that idea. Go to Comment