scaup

• A broad band of light gray extends across the dusky gray wing and out onto the primaries, which helps distinguish it from scaup.
• Many ducks including bufflehead, common merganser, common goldeneye, and lesser scaup can be observed along the Link River and Lake Ewauna.
• Despite that, there are higher numbers of redheads, teal, and scaup although the production of mallards, pintails, and canvasbacks is down. —  Fort Frances Times Online -
• Diving ducks that typically feed on invertebrates or mollusks (Bufflehead, scaup) don't seem to be impacted, while plant-eating Canvasbacks and to a lesser extend Redheads are most effected. —  bootstrap analysis
• The flesh of this species of goose is finer than that of the common tame goose and has no trace of any train flavour Among the swimming birds that give the summer life on Novaya Zemlya its peculiar character, we may further reckon the scaup-duck and the swan. —  The Voyage of the Vega round Asia and Europe, Volume I and Volume II

Allen's Synonyms and Antonyms