ABSTRACT This paper reviews and includes passages from the only fully documented accounts of nesting Slender-billed Curlews Numenius tenuirostris, by Valentin Ushakov of Tara, southwest Siberia, between 1909 and 1925. It then summarises some of the more recent search efforts, before considering the likelihood of the current nesting grounds being found. Unless greatly increased efforts are made, th


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