There is no mistaking a hummingbird. Even people who hardly know a robin from a sparrow recognize that flash of iridescent feathers and the distinctive hovering flight. So popular have "hummers" become that even casual birdwatchers now travel great distances to hummingbird hot spots to see masses of birds in their annual migrations. In this invitingly written book, June Osborne paints a fully detailed portrait of perhaps the best-known hummingbird...