11 Popular Myths About Dogs Debunked By Science

Myth 5 - Dogs Only Wag Their Tails When They're Happy

Many people associate a wagging tail with a happy dog, but this isn't always accurate. Dogs wag their tails for a variety of reasons, including excitement, nervousness, and even aggression. The key to understanding a dog's tail wagging is to look at the whole picture, including body language and context.