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Mergus

genus

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Mergus is the genus of the typical mergansers, fish-eating ducks in the subfamily Anatinae. The genus name is a Latin word used by Pliny the Elder and other Roman authors to refer to an unspecified waterbird.The common merganser (Mergus merganser) and red-breasted merganser (M. serrator) have broad ranges in the northern hemisphere. The Brazilian merganser (M. octosetaceus) is a South American duck, and one of the six most threatened waterfowl in the world, with possibly fewer than 250 birds in the wild. The scaly-sided merganser or "Chinese merganser" (M. squamatus) is an endangered species. It lives in temperate East Asia, breeding in the north and wintering in the south. The hooded merganser (Lophodytes cucullatus, formerly known as Mergus cucullatus) is not of this genus but is closely…

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