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Publication Date: 1997
A highly technical guide for researchers, used for bird banding, which includes data for 395 species and 857 subspecies. The data includes plumage, molt patterns, measurements (wing, tail, bill, tarsus, mass), sexing, and ageing information.
Even if you get the uncontrollable urge, photo MAY NOT BE PUBLISHED OR REPRINTED WITHOUT PRIOR WRITTEN PERMISSION
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