Letters

01 July 1982 Comments Letters White-headed Duck misidentified as Ruddy Duck I believe that the bird depicted in plate 3 (Brit. Birds 75: 9) is a female White-headed Duck Oxyura leucocephala and not a female Ruddy Duck O. jamaicensis. We breed these two species here at Arund...
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Letters

01 February 1981 Comments Letters Bill-base feathering and apparent bill thickness of some waders Many observers have in the past attempted to support the identification of suspected rare species, especially stints and peeps Calidris, by noting the thickness of the base of...
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