"Dog warts" refers to small bumps or growths that can appear on a dog's skin. They are caused by a virus and look like warts that humans can get. Full definition
Old dog warts tend to be small and slow growing, if they grow at all. (petfriendlyhouse.com)
Dog Wart on Ear Our dog Leon, an 11 - month - old male Rhodesian Ridgeback, has has a wart on his right ear for about three months now. (organic-pet-digest.com)