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

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Migratory. Passage overland on broad front, also important route down W coast of Europe. Movements characterized by long flights between staging areas, such as Wadden Sea, Dutch delta region, S Hungary, SE Greece, C Turkey, Black and Caspian Seas, C Kazakhstan, L Baikal, Chang L (Ussuriland), C Yakutia, Sakhalin, Japan and Korea. Birds wintering in Sahel and N savanna zones evidently cross Sahara, e.g. to Mali, Nigeria, Chad. Adults moult in staging areas before moving to wintering grounds. Present in tropics mainly Oct-Apr. Migrates N along European coast late Apr to mid-May; females move S from early Jun, males during Jul, and juveniles in Aug-Sept. Few birds oversummer in tropics, but most non-breeders spend summer just S of breeding grounds.   (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).