Do you know that dogs also smiles? There was a study conducted on dogs which show different facts about the dogs.Here are some facts.
Dogs smiles when they come near the owner. They become happy and smile. They want to get favour of their owner.When owner love them,dogs feel satisfied. They want to get association of their owner.
Dogs have a very good smelling quality.This quality or characteristics came from the one of the body part that remain in upper side of their mouth. It is called Jackbason. Because of it, they have very strong smelling skill.
dogs can distinguish between many colours like yellow green blue but they cannot distinguish with red colour. They see a red colour as a black or dark
The study says that dogs comes in a lineage of wolf. They have a very strong relation with wolf.