Rosemary Mosco is the author of A Pocket Guide to Pigeon Watching: Getting to Know the World's Most Misunderstood Bird. We chat about poop and sex and the beauty of pigeons.

Drinks with Tony is on iTunes, Spotify, Pandora, Stitcher, and other podcast outlets. It also airs every Thursday evening at 6pm on 101.9 FM, KPCR, Santa Cruz.