BIOLOGY OF THE CHARADRIIFORMES Separating the two dowitcher species has long been regarded as one of the most challenging ID problems in North America. This article examines how an understanding of molt—and in particu
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BIOLOGY OF THE CHARADRIIFORMES Separating the two dowitcher species has long been regarded as one of the most challenging ID problems in North America. This article examines how an understanding of molt—and in particu