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

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Nominate race migratory, arriving on S breeding grounds by late Mar and on N by early May. Possibly casual visitor to SW & C Canada and accidental to SE Alaska. Probably departs from breeding grounds Sept-Nov and winters in lowlands of South Carolina and Gulf States, S through E Mexico (Sept-Apr) to Guatemala, S Belize, El Salvador and Honduras. Also a casual winter visitor in S California, W Cuba, Jamaica, Costa Rica (perhaps rare on Pacific slope mid-Nov to late Mar) and W Panama (possibly 2 records, W Chiriqui), and occasionally winters along E coast of USA as far N as New Jersey. Race arizone migratory, arriving on breeding grounds by late Apr and departing again by late Sept, though perhaps only an altitudinal migrant in parts of Mexican range. Casual visitor to Baja California. Generally winters in C Mexico. Other populations may be largely sedentary.   (del Hoyo J, Elliott A, Sargatal J (eds), 1999)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1999) - www.hbw.com,
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