When it comes to picking a pet, size matters. If __1__ , take that into account. It might seem like a bird wouldn't take up much room, but __2__ . Make sure you have plenty of space to house your new pet. •Larger dogs will also need more space to run and stretch their legs. Unless you have a large backyard, __3__ . •Ferrets also require a lot of space. You will need a large cage and also plenty of room to allow them to roam about your home during their playtime. •If you are thinking about getting fish, consider how large of a tank you have room for. Multiple fish require a large tank, __4__ . •If you are considering getting a snake, __5__ . At a minimum, a snake cage will take up about half a square foot of floor space.