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Hummingbirds by Crawford H. Greenewalt
Definitive study of 65 known species of hummingbird: physical characteristics, habitat, behavior and flight dynamics, much more. Magnificently illustrated complete text containing much groundbreaking information. Published under the auspices of The American Museum of Natural History. 75 full-color photographs. 163 black-and-white illustrations. Index. Maps. Graphs. Diagrams. Table of Contents for Hummingbirds
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