Why do dogs lick their nose?

Dogs also lick their nose to keep the nose wet. A wet nose means the dog is better able to pick up a scent and as it is a dog's most powerful sense, it is important to keep the nose in prime condition. read more

Licking is an instinctive behavior dogs learn in puppyhood. Both wild dogs and wolves lick their parents' faces to encourage their parents to regurgitate food into their mouths. This behavior is retained in adulthood and can serve many purposes. Puppies and some adults may lick their owners' faces because they are hungry. read more