The Moult migration of the Shelduck from Cheshire in 1957
01 July 1958
Main paper
IN 1957, observations were made for the eighth year in succession on the departure flights of Shelduck (Tadorna tadorna) from the River Mersey estuary at W e s t o n , near Runcorn, Cheshire, and details are given in Table I. The moult migration in 1955 a...
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