Definition of Pacific diver in English:
Pacific diver
noun
BritishA diver of the Pacific Ocean, Gavia pacifica, which breeds in the Arctic and winters on the north Canadian coast, resembling the great northern diver (common loon) but smaller, with a black neck and pale grey head and nape.
Origin
Mid 19th century; earliest use found in Spencer Baird (1823–1887), zoologist and scientific administrator.
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