I don't believe in indoor cats, that is the path for lonely homosexual men and crazy old ladies. Cats are viscous and demented predators. I greatly enjoyed watching my previous cat, Sir Charles stalk out rabbits and tree rats in my backyard through my window. One bunny in particular he had shredded it's leg and it was trying with all it's might to make it back to the woods, Sir Charles would jump at it and tear into it a little more and afterwards back off to let it scramble in vain while slowly stalking up on it again. Finally after torturing it for a good 15-20 minutes he moved in and dealt the coup de grâce. A dog would have just ran up and ripped into the thing, killing it in a few moments. The cats method was much more entertaining to watch.