How can you tell when a Rufous or a Ruby-throated hummingbird will be in your neighborhood? What is the correct sugar-to-water ratio for your visiting hummingbirds? Should you put red dye #2 in the mixture? How do you keep that feisty Rufous from scaring other hummers away? Hummingbird enthusiast Dan True answers these questions and many more in this beautifully illustrated, informative guide to the sixteen species of hummingbirds that breed in the United States and Canada. Available in this handy guide are life-size photos of the male and female of each of the sixteen species, detailed information on each species, maps showing where the species can be spotted, how hummers mate, when and where they migrate to and from, and new banding information. There is also easy-to-follow, step-by-step information on how to photograph hummingbirds in flight. True has spent years talking to other hummer experts and enthusiasts and includes here anecdotes from all over the country that help readers understand why hummingbirds do what they do. An indispensable book for any one with a hummingbird feeder.