Illustrator and science writer Rosemary Mosco is the author of the new book, A Pocket Guide to Pigeon Watching. The book explores humanity’s long relationship with pigeons, from domestication thousands of years ago to fancy pigeon breeding in recent centuries. Rosemary's book not only breaks down the variations to look for in feral city pigeons, but also some of the most bizarre fancy breeds. Learn more at BirdNote.org.