Owl expert Scott Weidensaul joins Bill for a discussion of this winter's invasion of snowy owls from the Arctic. Through Project SNOWstorm (co-founded by Scott), a volunteer field research program studying these magnificent, mostly white owls, we are learning a great deal about their behavior, population dynamics, natural history, and how they interact with us humans, and vice versa. Scott also shares his tips for watching a snowy owl respectfully, without disturbing it.