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

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Highly migratory, flying S to winter at lower latitudes, to Mexico, Central America and West Indies; S Europe, N, W and E Africa; and Middle east, S Asia and Japan. Recorded regularly beyond equator line, in E Africa; also small numbers on some oceanic islands (e.g. Hawaii) and frequent stragglers outside range. Moult migration frequent. Southern Hemisphere subspecies chiefly sedentary.   (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).