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

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Disperses in Dec-Jan after breeding, but movements apparently limited to relatively short distances, up to c. 18 km. Several records outlying areas at beginning of 20th century, as far W as Cape Town, 1000 km W of present range; these suggest that more extensive wanderings took place in past, although at that time species probably bred in E Cape Province.   (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).