Normal Moles On Dogs. Moles on dogs are common, especially on dogs with darker pigment in their skin. They come in different shades of black, brown, gray, red, or pink.
Here are some pictures of what a normal mole looks like and what a cancerous mole will look like. Dogs that go to a doggy daycare or dog parks can get warts due to close social contact with other dogs. If your dog ate a mole, it is best advised to seek veterinary help.