No need for cages! That's animal cruelty! :P *Checks RS manual* The following pets do not require any summoning levels: Cat, fish, and a pet rock The following pets involve summoning levels: Bulldog, Dalmatian, Greyhound, Labrador, Sheepdog, Terrier, Platypus, Penguin, Giant crab, Raven, Squirrel, Guthix raptor, Saradomin owl, Zamorak hawk, Raccoon, Vulture, Chameleon, Monkey, Baby dragon Pet holding furniture:Dog kennel/house, fish tank, cat basket, fire-proof tank, birdhouses and an aviary can be put in your garden?, and as Ultimakomoto suggested, some "tanks" I suggest that to make effective tanks, one must add things to them to make a fish tank/fire-proof tank.