Yep, I can get really enthusiastic about prairie dogs. Just ask anybody at the zoo. If someone asks a question about them my answer can soon turn into a dramatic monologue.  These are amazing little animals, and we, as humans, need to understand their significance in our environment. That's a fancy way of saying - these guys are really important. In fact, they're a keystone species (a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically). Not only are they almost solely responsible for re-seeding our prairies (without them our nation would look like the Sahara Desert from Northern Mexico to the Canadian border), they also contribute to...