noun
common scaup of North America; males have purplish heads
• Syn: ↑lesser scaup, ↑lake duck, ↑Aythya affinis
• Hypernyms: ↑scaup, ↑scaup duck, ↑bluebill, ↑broadbill
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nounsee lesser scaup
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lesser scaup duck,
a freshwater diving duck found especially along the lakes and coasts of North America. The males have heads that give off a purplish luster.
Useful english dictionary. 2012.