Most pet owners keep at least two different types of animals-dogs and cats are the most common pairings-and a surprisingly large number keep even more animals. Domestic birds; pet rabbits, mice and other rodents; ferrets, snakes, turtles-some people may even raise a goat or potbellied pig or two. On top of this, most lovers of domestic pets are also are enthusiastic supporters of wildlife. feeding birds and squirrels all winter long, or creating shelters for butterflies, toads, and even bats.