It seems to be conventional wisdom that the Slender-billed Curlew Numenius tenuirostris `has a remarkable capacity for vagrancy' (Steele & Vangeluwe 2002), which is supported by the very wide spread of records in Europe listed in Adam Gretton's monograph (Gretton 1991). Conventional wisdom may, of course, be right, but I wonder whether there might be an alternative explanation which does not req

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