Nature writer David Gessner hosted the National Geographic Explorer show The Call of the Wild and is the author of thirteen books that blend a love of nature, humor, memoir and environmentalism, including the New York Times bestselling "All the Wild That Remains."
He explores a story that captured his interest. It’s about the world’s most famous bird, Flaco, the Eurasian eagle-owl, and its year-long odyssey after escaping from Central Park Zoo, capturing the hearts and imaginations of millions of followers around the world. "The Book of Flaco" is a parable of freedom, wildness, and our urban ecosystems.