> Do dogs probe the secrets of the world around them, with all that barking, even a little? It’s a form of communication. You can learn to distinguish differen

> Do dogs probe the secrets of the world around them, with all that barking, even a little? It’s a form of communication. You can learn to distinguish different kinds of barking a healthy dog is making, but that doesn’t mean you’re going to care nearly as much about a large animal showing up.