This common behavior reveals fascinating details about your dog's state of mind.

Sept. 22, 2021

It’s easy to assume a pooch is overcome with joy if it’s wiggling it’s behind back-and-forth. What better symbol of happiness is there than a dog wagging its tail?

However, science suggests reducing a dog’s tail wagging to a mere sign of happiness is an oversimplification of the way dogs use their tail to express highly complex emotions.