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

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Partially migratory; southernmost populations birds leave breeding grounds to winter in more temperate regions, occurring as far N as central Brazil and Paraguay. Other populations chiefly sedentary, with only small-scale movements. Occasionally subject to wide-range dispersions in severe drought conditions.   (del Hoyo J, Elliott A, Sargatal J (eds), 1992)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1992) - 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).