greater_scaup
1. [ noun ] (zoology) large scaup of North America having a greenish iridescence on the head of the male
Synonyms: Aythya_marila
Related terms: scaup
Similar spelling:   greater_kudu
  greater_omentum
  greater_burdock
  greater_knapweed
  Greater_Antilles
  great_year
  Greater_London