If you like dogs or happen to be a dog owner, you may have heard that when a dog wags its tail, it’s showing signs of happiness and friendliness. Well, a research on the communication between dogs in 2007 indicates that the direction to which the dog wags its tail is also significant in indicating a dog’s mood. The Italian researchers discovered that a wag of the tail to the left demonstrates negative emotions, while a wag to the right conveys more positive emotions.
Recently, another study published by Current Biology furthered this case. It is reported that when dogs watch videos or other dogs wagging its tails, when the video shows a wag tail to the left, the dog reacts with anxiety with a higher heartbeat; when the video shows a wag to the right, however, the dog reacts more calmly.
This is because emotions are related to either the left or right side of the brain, and a left-brain activation leads to a wag to the right, while a right-brain activation leads to a wag to the left.
This is significant because it is one way that dogs may communicate to one another. So next time when you see a dog wagging its tails, you know that it’s showing more emotion than just happiness.
Original Article: A Dog’s Tail Wag Says a Lot, to Other Dogs