http://www.msnbc.msn.com/id/19228835/
This article on how to understand what animals are telling us is very good. I especially like the example at the end of the dog wanting to trade his favorite toy for a bite of chicken. It's a strange idea of currency, but makes sense (cents?) . Shows what animals learn from us.
When catzilla is trying to get one over on my teenage son, he steals things from his room and hides them. If the items are small, he may drop them in his food or water dish, as if to say "if you want it, kid, you are going to have to fish for it".
This got a little messy. The last thing he tried to steal was a notebook binder. Hey, why stop at the mageknight figures, shot glasses, sports mini figurines? Go for the gusto!