#scaup_duck__scaupduck__bluebill__broadbill  diving ducks of North America having a bluish-gray bill
  supertype:  duck  small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
  member of:  genus_Aythya
  subtype:  greater_scaup__greaterscaup__Aythya_marila  large scaup of North America having a greenish iridescence on the head of the male
  subtype:  lesser_scaup_duck__lesser_scaup__lake_duck__Aythya_affinis  common scaup of North America; males have purplish heads

No statement uses or specializes scaup_duck; click here to add one.