Kittens and puppies are usually adopted from shelters faster than older cats and dogs, but senior pets’ personalities are already established, which may make it easier to match a pet with the adopter’s lifestyle, many senior pets are already trained, senior pets usually need less exercise than rambunctious kittens and puppies, and most have outgrown the destructive phase, say veterinarians Scott Kelley and Tyler Human. Some shelters have programs that match older pets with older adults, and some waive adoption fees
