Answer:

smew

Answer	Crossword Clue
SMEW	Fish-eating duck
SMEW	Diving duck
SMEW	White merganser

SMEW	Merganser
SMEW	Duck also called white nun
SMEW	Small diving duck
SMEW	Old World duck
SMEW	Small merganser
SMEW	Flying diver
SMEW	Duck in the Eurasian taiga
SMEW	Eurasian diving duck

SMEW	Eurasian duck
SMEW	Merganser relative
SMEW	Small Eurasian duck
SMEW	Merganser's relative
SMEW	Small duck
SMEW	White-crested diving duck
SMEW	Drake, maybe
SMEW	Kind of duck

SMEW	European duck
SMEW	Merganser's cousin
SMEW	Merganser.
SMEW	Diving bird.
SMEW	Crested fish-eating duck.
SMEW	Most expert diver of all ducks.
SMEW	Small saw-billed duck.
SMEW	Saw-billed duck.

SMEW	Diving duck.
SMEW	Small duck.
SMEW	Eurasian duck.
SMEW	Fish-eating duck.
SMEW	Bird.
SMEW	Magpie diver.
SMEW	Duck.
SMEW	Duck adroit at diving.

SMEW	Northern duck.
SMEW	Sea duck.
SMEW	Sprigtail.
SMEW	Duck adept at diving.
SMEW	Meganser.