Dog Listings View All Animals Dogs Cats Rabbits Exotic Meet Unknown All about Unknown Animal ID: 2000121838 Unknown is a 1 year old male Rottweiler/Mix who weighs 33 pounds. Note that many dogs do not reach full size until they are about a year and a half old. The weight listed here is the dog's current weight.Post about Unknown on your Facebook page. Photos (click for full-size) Subscribe To Our Mailing List Sign up to stay informed on new events, news, animals and initiatives at the Calgary Humane Society. Email By clicking Sign Up you're confirming that you agree with our Terms and Conditions.