Dogs' mood revealed by how they wag their tail

Dogs' mood revealed by how they wag their tail

BBC: A scientific study is helping better interpret dogs' moods based on tail movements.

Earlier research had revealed that happy dogs wag their tails more to the right (from the dog's point of view), while nervous dogs have a left-dominated swish.

But now scientists say that fellow canines can spot and respond to these subtle tail differences.

Read more.