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

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Largely sedentary or dispersive in Iberia, Sardinia and Italy; migratory in France, with southward shift within the country in Sept-Oct, birds returning in Mar-Apr. Also migratory in Russia, Kazakhstan and rest of Asian range, where birds observe the same schedule when moving to and from Iran, Azerbaijan and, less regularly, other areas of S Asia.   (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).