Dr. Dolittle dreamt how wonderful it would be to understand the language of animals. But our next guest believes he knows how wonderful it is. For a start, he's managed to decode prairie dogs speaking.

Con Slobodchikoff has spent 30 years studying their language. And he's discovered a sophisticated communication system... one he hopes may lead to better communication between humans and animals.

• Animal Behaviorist: We'll Soon Have Devices That Let Us Talk With Our Pets --The Atlantic

Con Slobodchikoff is a professor Emeritus at Northern Arizona University and author of the book Chasing Doctor Dolittle - Learning the Language of Animals. We reached him at his home near Sedona, Arizona.