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

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Some populations sedentary, but there are seasonal and perhaps even nomadic movements in some areas. Some populations are highly migratory: populations of Israel, some of Arabia and probably those of SE Egypt mostly move S to winter; in Israel, arrives mid-Mar, most birds moving S to winter in Sep - Oct. Nomadic in Nigeria and elsewhere in W Africa, where present throughout most of year in Sahel, but migrates S to breed in Sept - Apr; in Sudan most birds move N to breed during rainy season. Populations of Zanzibar make daily trips to mainland during dry season. Vagrant to Sierra Leone, Burundi, Canary Is, Jordan, E Arabian Peninsula, and doubtfully Syria.   (del Hoyo J, Elliott A, Sargatal J (eds), 1997)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1997) - www.hbw.com,
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