bluebill
1. [ noun ] (zoology) diving ducks of North America having a bluish-gray bill
Synonyms: scaup_duck broadbill scaup
Related terms: duck lesser_scaup greater_scaup Aythya
Similar spelling:   bluebell
  blue_bull
  blue-belly
  Blauvelt
  Blephilia
  blue-blind
  blue-black
  blue_blood