Scoter
（重定向自Melanitta）
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The scoters are stocky seaducks in the genus Melanitta. The drakes are mostly black and have swollen bills. Females are brown.
They breed in the far north of Europe, Asia, and North America, and winter farther south in temperate zones of those continents. They form large flocks on suitable coastal waters. These are tightly packed, and the birds tend to take off together.