DICT.TW Dictionary Taiwan

 Mer·gan·ser n.  Zool. Any bird of the genus Mergus (Merganser), and allied genera of the subfamily Merginae.  They are allied to the ducks, but have a sharply serrated bill, eat fish, and dive for food.  Also called fish duck.
 Note: ☞ The red-breasted merganser (Merganser serrator) inhabits both hemispheres. It is called also sawbill, harle, and sheldrake.  The American merganser (Merganser Americanus.) and the hooded merganser (Lophodytes cucullatus) are well-known species.
 White merganser, the smew or white nun.
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