Early wing moult of Eiders. During hard weather in January 1985, there was an influx of Eiders Somateria mollissima into the eastern River Swale, Kent, up to about 150 remaining throughout the spring and summer. O n 4th M a y 1985, C. E. Wheeler and I found a flock of 59 resting on a mudbank at Harty, Isle of Sheppey. As we approached, they took to the water and a number tried to fly, at whic


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