Notes

01 September 1962 Comments Notes Shelduck moulting in breeding area.--On 9th July 1961, in an area of extensive fresh grazing marshes in north Kent, I noticed an adult male Shelduck (Tadorna tadornd) swimming along the edge of a large fleet. The knob on its bill had regressed, but it was...
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Notes

01 June 1955 Comments Notes Alternative leg positions of birds in cold weather.--It is known that some shore birds, particularly gulls and waders, will adopt alternative leg positions to prevent their feet freezing in cold weather, for example by flying with them tucked forward into...
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