So what does it mean if your dog chases its tail? While some reasons are more benign than others, the behavior can signal larger health concerns, says Alt. On a base level, it's normal for dogs to ...

An curved arrow pointing right. A dog chasing its tail may be a sign of a direr issue. Like humans, dogs can suffer from a form of obsessive-compulsive disorder, called canine compulsive disorder.

Tail biting is most often found in dogs with a high prey drive, who don't get enough exercise or spend too much time in their ...

A tail-chasing dog going around in circles, getting dizzy and disoriented, may offer the perfect picture of canine playtime behavior. And for young dogs, tail-chasing can be totally normal.

An curved arrow pointing right. We know why cats love boxes and why dogs howl. One thing both pets like to do, though, is to chase their own tails. ASPCA science advisor Dr. Stephen Zawistowski ...

Dogs may not be able to verbally communicate, but their actions can dictate how they feel. Here's why your pet might be ...