Why do dogs not have lips? Dog Mouth Anatomy
But lips seem nowhere to be found. Although our mouth and the dog’s mouth visually don’t have much in common, lips are still an important part of their snout anatomy. While we are mostly using lips to consume food and as a sensory organ, dogs are utilizing the floppy lips quite differently.
Do all animals have lips?
Do all dogs have black lips? Not all dogs have black lips, though. Some breeds have non-pigmented lips and oral cavities. James D. Conroy, a veterinary pathologist affiliated with Mississippi State University, told Imponderables that some dogs have piebald pattern of non-pigmented areas alternating with pigmented areas.
Why do dogs have large lips? Keeps Water Out. In breeds that swim a lot, dog jowls may help keep excessive water from entering the mouth and airways by trapping a large air bubble close to the mouth.