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.
Crawford H. Greenewalt 1990 176 Pages 8.4" X 11" Soft Cover