About four in 10 pet owners say at least one of their current pets was given to them by friends or family, while a third say they have a pet that showed up on their doorstep.
Shelters and breeders are next on the list as sources for pets. Thirty percent of those polled say they adopted through a shelter, and about the same percentage got a pet from a breeder. One in six bought an animal at a pet store.
More than half of the pet owners polled say they've taken in a shelter animal at some point.