Why do dogs lick other dogs eyes?

These dogs know and trust each other. They also look out for each other: A dog who excessively licks the muzzle of his canine pal may be doing this because the dog has a tumor, cut or other medical need that requires attention and treatment. Puppies also "kiss" their mothers, but it's not a gesture of affection. read more

Two strongly bonded canine pals will lick and groom each other. They give each other “dog kisses” in displays of affection and friendship. In this scenario, the dogs’ social hierarchy is not an issue. read more

While many people may think this is some kind of dominance related behavior (by the way, strict dominance theory is a bit outdated), dogs can also lick each other when they are trying to appease the other or show signs of submission. read more

I have a black lab and a St.Bernard and the black lab constantly licks my St.Bernards eyes and jowls. read more