With a Knick-Knack Paddy Whack

This morning I discovered a dog bone in my horses' paddock.  You know, like a soup bone that someone would throw to a dog.  We don't give our dogs bones, so we knew it had to come from next door, but how did it get into my horse paddock?

My guess was that the raven couple carried it over.  These two ravens have been spending a lot of time around my horses.  I think they've adopted my herd.  If