Harlequin Duck in Shetland.--While watching- waders at half tide at the Pool of Virkie, south Shetland, on the afternoon of 16th October 1955, we noticed a small dark duck which we believed was a female or first-winter Harlequin Duck (Histrionicus histrionicus) swimming- and diving on the far side of the channel. Even at a considerable distance, when little detail was distinguishable, the whitish ...
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