
1) Arctic sea duck 2) Diving duck 3) Escort lame duck 4) Scooter 5) Sea duck 6) Surf duck
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https://www.crosswordclues.com/clue/scoter

1) Coot
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https://www.crosswordclues.com/clue/scoter

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 ten...
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http://en.wikipedia.org/wiki/Scoter

• (n.) Any one of several species of northern sea ducks of the genus Oidemia.
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http://thinkexist.com/dictionary/meaning/scoter/

(genus Melanitta), any of three species of sea duck of the family Anatidae. Within the divisions of true duck species, the scoter belongs in the ...
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http://www.britannica.com/eb/a-z/s/49

<zoology> Any one of several species of northern sea ducks of the genus Oidemia. ... The European scoters are Oidemia nigra, called also black duck, black diver, surf duck; and the velvet, or double, scoter (O. Fusca). The common American species are the velvet, or white-winged, scoter (O. Deglandi), called also velvet duck, white-wing, bull ...
Found on
http://www.encyclo.co.uk/local/20973
Sco'ter noun [ Confer Prov. English
scote to plow up.]
(Zoology) Any one of several species of northern sea ducks of the genus
Oidemia . » The European scoters are
Oidemia nigra , called also
black duck ,
black diver ,
surf duck ; and the velvet...
Found on
http://www.encyclo.co.uk/webster/S/36

The USS Scoter was an American Auk Class minesweeper of 890 tons displacement launched in 1945. The USS Scoter was powered by diesel engines providing a top speed of 18 knots and carried a complement of 105. She was armed with one 3 inch dual-purpose gun and two 40 mm anti-aircraft guns.
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http://www.probertencyclopaedia.com/browse/RS.HTM

[
n] - large black diving duck of northern parts of the northern hemisphere
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http://www.webdictionary.co.uk/definition.php?query=scoter
scooter noun large black diving duck of northern parts of the northern hemisphere
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https://www.encyclo.co.uk/local/20974
No exact match found.