The Crossley ID Guide: Waterfowl–A Book Review
10,000 Birds
NOVEMBER 7, 2017
The 10-page section aptly named “Age, sex, and identification of ducks using in-hand upperwing patterns” is a guide to just that, utilizing images from two Washington State museum collections. Also Notable–Wings: If you’ve worked on identifying ducks, then you know the importance of wing pattern.
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