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by Crawford H. Greenwalt. Doubleday & Co. for The American Museum of Natural History, 1960. 1st edition. Landmark publication photographing hummingbirds in flight. Remarkable tipped-in photos. A classic in the field. Gray cloth hardcover, gilt titles, D.J. Format: 9” x 11 ¾”. 250 pp. and 21 pp. data & index. Condition: D.J. has one inch tear, book is extra-fine.
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