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

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Basically sedentary, with some nomadic movements within or near home territory, in search of optimum feeding conditions. 1st and 2nd year birds often remain in natal range, tolerated by parents, until nearly adult.   (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).