DOWN ON THE FARM: Pull on your boots and grab a piece of hay. In this episode of Animal Atlas, we discover what life on the farm is all about. E-I-E-I-O!  BARNYARD FRIENDS: What's the difference between a barnyard animal and a wild animal? More than a cowbell. Find out where our favorite barnyard animals come from and how they became our helpers and our friends.  THE HORSE, OF COURSE!: Saddle up and hit the trail with us to discover what makes a horse, a horse! Learn how horses became farm animals, how they live, and what animals they're related to in the wild. Giddyup!