OUR SENIOR DOGS ROCK! Senior dogs are six years and older and eligible of the shelter's SENIOR DOG DISCOUNT! Adding a new canine friend to your home is exciting and fulfilling, and when it’s a SENIOR DOG, somehow it’s even more meaningful. Our SENIOR DOGS cherish the chance to score some extra cuddle time, and you’ll love the wags, kisses and contented sighs that they give in return.