J. R. Forster, 1772,
Fort Severn, west coast of Hudson Bay, Canada.
Precise relationships unclear; S. castanea presumed to be closest relative of present species, but a recent molecular phylogeny recovered a sister relationship with S. pensylvanica#R. Has hybridized with S. castanea; another hybrid involved Parkesia noveboracensis and either present species or, more probably, S. tigrina. Birds from Alaska described as race lurida, but appear little different from those in rest of species’ range. Monotypic.
Alaska and Canada (E to Newfoundland and Nova Scotia, and S to C British Columbia) and extreme NE United States (S to New York). Migrates to NE South America S to NE Peru and W Brazil, mainly in W Amazonian region; smaller numbers may winter S to NE Argentina and coastal SE Brazil.
Food and feeding
Status and conservation
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!