white-winged scoter
noun
A large migratory scoter with a conspicuous patch of white on the wing, Melanitta deglandi, breeding in northern North America and Siberia.
- Melanitta deglandi is now often regarded as a subspecies of the velvet scoter, M. fusca, which breeds in northern Europe and Asia, and for which the name white-winged scoter is also sometimes used..
Origin
Late 19th century; earliest use found in Joel Asaph Allen (1838–1921).