Robert Tyrrell, the world's foremost photographer of hummingbirds, has successfully captured on film the utterly fascinating day-to-day activities of our colorful North American species. Included among the 235 full-color pictures are never-before-photographed sequences such as nesting, molting, preening and territorial aggression, as well as an unprecedented portfolio of hummingbirds feeding from wildflowers. Esther Tyrrell has written the accompanying illuminating text, by far the most complete and up-to-date information on hummingbirds ever assembled, which will make this book the definitive source for both scientists and the general reader for years to come. This lavishly illustrated volume opens with an introduction to this lovely family of