Hummingbirds w/ Jon Dunn

In this episode of Talk Nerdy, Cara is joined by natural history writer, photographer, and wildlife tour guide Jon Dunn to talk about his newest book, "The Glitter in the Green: In Search of Hummingbirds." They talk about his journey across the globe to witness the beauty and splendor of different hummingbird species, as well as the lessons he learned about human greed and hubris along the way.