merganser(redirected from red-breasted merganser)
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common name for wild and domestic waterfowl of the family Anatidae, which also includes geese and swans. It is hunted and bred for its meat, eggs, and feathers. Strictly speaking, duck refers to the female and drake to the male.
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Any of several species of diving water fowl composing a distinct subfamily of Anatidae and characterized by a serrate bill adapted for catching fish.
any of several typically crested large marine diving ducks of the genus Mergus, having a long slender hooked bill with serrated edges