Dogs tilt their heads is to detect the language of the dog can not understand human language, but the dog can through the tone of voice and body movements of the master, each expression eyes, the dog will know whether the master is happy to praise it, or angry reprimand it, or what to ask of it. When you have trained a dog to do something skillfully, it will understand exactly what you want it to do from your habitual movements and tone of voice and act immediately, even if you don’t explicitly say the command in daily life.
Dogs tilt their heads to identify the source of sound dog’s tilt head action and their ear structure also has a certain relationship, although dogs recognize the frequency of sound is much wider than people, but does not mean that their hearing is better than humans, their two ears are close to the head means that the direction of the sound emitted from the side is less accurate. And their brain’s computing power is not too high, so a simple tilt of the dog’s head action allows them to adjust the direction of the sound they receive, allowing them to be more sure of the source of the sound.
Dogs tilt their heads to please their masters sometimes the dog tilt head action is just an instinctive action, but if the owner is happy with its actions and give a response and reward, the dog will take the initiative to this action as one of the ways to please their masters, and will tilt their heads more frequently in the future.