CHILOE WIGEON Mareca sibilatrix

The South American wigeon, widespread in Chile Argentina and the Falklands, particularly in Chile where these shots were taken. Unlike the other two species of Wigeon, there is little sexual dimorphism; although females tend to be duller there is overlap, I suspect the left-hand shot to be a female. Common in collections, in the UK at least, resulting in escapes and hybrids, true vagrancy has only been recorded from subantarctic islands, although birds move north in winter so may have been overlooked in Brazil etc.

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