J. R. Forster, 1772,
Fort Albany, Hudson Bay, Canada.
Closely related to N. minutus (which see), with which formerly regarded as conspecific. Monotypic.
CN Canada, on S shore and inland of Amundsen Gulf along Coppermine R to Point L; possibly also N Alaska. Winters in Uruguay and Argentina, and perhaps in S Brazil and Chile. Probably extinct (no confirmed sightings since the early 1980s).
Food and feeding
Status and conservation
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