Species fact sheet by Global Register of Migratory Species - www.groms.de

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Migratory, overland on broad fronts, extending right across North America, but main passage E of Rocky Mts. Race cinnamomea migrates mainly through region from mountains of W USA E to Montana and Colorado, on occasion E to Mississippi valley; race solitaria moves through region from Montana and Utah E to Atlantic states of USA. In autumn, some birds apparently pass over W Atlantic, directly from Canadian Maritime Provinces to N South America. Races mix in winter quarters, species is common migrant and short-term resident along lakes and rivers in W Amazon area. Seldom migrates in flocks. Some birds oversummer in Neotropics.   (del Hoyo J, Elliott A, Sargatal J (eds), 1996)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1996) - www.hbw.com,
• Copyright: GROMS/BfN - www.groms.de
  
  (A digitised version of this map is published in GIS shape format on the GROMS CD).