The moult migration of the Shelduck to Bridgwater Bay, Somerset
01 December 1955
Main paper
The Wildfowl Trust, Slimbridge, Gloucestershire T H E A N N U A L M O U L T of the Shelduck (Tadorna tadornd) results in the simultaneous loss of all the flight feathers, but before this happens the great majority of the north European population migrates...
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