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Conservation research news

01 May 2003 Comments News and comment The Dutch Wadden Sea is of international importance for Common Eiders Somateria mollissima, with between 102,000 and 173,000 individuals spending the winter there. In the winter of 1999/2000, beached bird surveys detected a mass mortality even...

Letters

01 March 1963 Comments Letters SIES,--Mr. Glegg's note in your current number (Vol. VII., p. 56) concerning the nest of this species which he found beside one of the reservoirs a t Walthamstow on J u n e 11th, hardly does full justice to the extraordinary wealth of bird-life to be seen...

The Sequence of Plumages of the Common Eider

01 March 1963 Comments Main paper accounts have appeared in the works of naturalists on the subject of the plumage of the male and female Eider (Somateria m. mollissima) and the age at which the sexes arrive at maturity. In nearly all of these there is much guesswork owing to the small se...

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Conservation research news

Letters

The Sequence of Plumages of the Common Eider

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