Ever wonder why your dog chases its tail, walks in circles before lying down or just plain won't quit staring at you? The pet health resource website Vet Street has posted explanations to these and other strange dog behaviors.
I doubt anyone who's owned a dog hasn't occasionally wondered what the dog is thinking. Dogs are an emotive species, with ample facial muscles to show fear, anger, excitement and even joy (have you ever owned a dog that smiled?).