Hummingbirds may be the most jaw-dropping birds. Their wings flap 80 times per second and they can also hover. Astonishing facts like these abound in this guide to the diminutive bird, in the appealing guise of a young bird watcher’s journal. The narrator takes readers under his wing, showing them how they, too, can be bird watchers while addressing important science concepts accompanied by beautiful photographs of hummingbirds in flight.