So what does it mean if your dog chases its tail ... On a base level, it's normal for dogs to chase their tails, explains Alt. Need a break? Play the USA TODAY Daily Crossword Puzzle.

All predators, including dogs, exhibit tail-chasing behavior. This activity helps them hone their hunting skills and prepare for real-life hunting scenarios. Puppies tend to chase their tails ...

So what does it mean if your dog chases its tail ... On a base level, it's normal for dogs to chase their tails, explains Alt. Tail-chasing that occurs every once in a while and a dog can be ...

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 ...