Gretton et al. (2002) provided a detailed history of the discovery of the nesting grounds of the Slender-billed Curlew Numenius tenuirostris by V. E. Ushakov, at Tara, in the valley of the Irtysh River, Russia, in or before 1908. This note provides some additional background information on the egg collected by Ushakov on 2nd June 1909, now housed in the Henry Dresser collection at The Manchester M


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