It's amazing to watch their mouths and heads move and see exactly what they do when they play. Usually they're moving so fast, you can't really appreciate the beautifulness of it!
Here Mari the cat is fiercely protecting his feather wand toy. He bites it and grabs it -- but is never too busy playing to thwack away another kitty who wants a piece of the action!
P.S. Recognize these kitties? It's Cute's favorite herd of cow cats!