Wesley is a rescued wild bird who the author, a biologist, raises from when he is just days old. O'Brien's insights into owl behavior, along with this very personal story (and absolutely adorable pictures!), make this an interesting and thought-provoking read. If you're interested in finding out about the diversity of birds, try Sy Montgomery's Birdology: Lessons Learned from a Pack of Hens, a Peck of Pigeons, Cantankerous Crows, Fierce Falcons, Hip Hop Parrots, Baby Hummingbirds, and One Murderously Big Cassowary.