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

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Northernmost birds mostly migratory but some individuals overwinter at N limit of range. In Panama, most birds migrants, but reports throughout year suggest a resident breeding population may have developed. Birds in South America have been claimed to be migrants from N, but species regularly breeds in Venezuela, and perhaps on Trinidad; status of birds further S requires confirmation.   (del Hoyo J, Elliott A, Sargatal J (eds), 1994)

• digitised by GROMS, after del Hoyo J A Elliott; J Sargatal (eds) (1994) - www.hbw.com,
• Copyright: GROMS/BfN - www.groms.de