You probably know, that dogs are cooling their bodies by speedy breathing and by having their tongues out. But dog also cools his body through wet muzzle. Inside the nostrils, there are mucous glands, that produce water and self-moisturizing the nose. There is a continuous evaporation on the muzzle of the dog, which makes the nose cold.
Dogs are also keeping wet nose by constant licking. It makes them into some kind of comfort zone. Dogs have very good sense of smell, much much better than people and according to some scientist, wet nose helps them with sniffing and improving their sense of smell. It is because it receives small drops of water from the surroundings that contains odor, which are recognizable for a dog.
So how is it with dry nose? There are several causes of dry nose, some of them can be dangerous, but some of them are harmless. It is absolutely normal, that dog has dry nose in the morning, because dogs dont lick their nose when they are sleeping at night. But few minutes after they will wake up, their nose became wet again normally.
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