T H E SMALL American Calidris -waders are notoriously difficult to identify, particularly by anyone lacking in experience of the group (see, for example, Nisbet 1963 and Marchant 1963). Between 6th and 9th September 1965, what eventually proved to be a Semipalmated Sandpiper C. pusilla was present on a gravel working at Dungeness, Kent. During and after its stay the bird caused a considerable amou...

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