Red-breasted Merganser | Audubon Field Guide - Female red breasted merganser
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The red-breasted merganser is a diving duck, one of the sawbills. The genus name is a Latin word used by Pliny and other Roman authors to refer to an unspecified waterbird, and serrator is a sawyer from Latin serra, "saw". Breeding males have a cinnamon chest, a white neck band, and a shaggy green head. Female and nonbreeding males are brownish gray overall with a.