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

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Long distance migrant. Race caurinus moves down Pacific coast, some birds inland through W USA, wintering on coast from California to Peru; hendersoni passes E Great Plains, valley of R Mississippi and E coast of USA, S of New York and New Jersey, and winters from the Carolinas round Gulf coast and down both coasts of Central America to Panama; griseus moves down Atlantic coast to North Carolina and South through Caribbean to N Brazil, while highest numbers wintering in Surinam. Small number of non- breeders spend N summer on wintering grounds. Females leave breeding grounds from early Jul before males, and juveniles from late Jul; birds reach N South America from mid-Aug to early Oct. Spring migration early may to early Jun.   (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).