Notes

01 March 1965 Comments Notes Mallard's devotion to nest i n face of fire.--On 13th April 1964, while attempting to beat out a grass fire covering some 50 square yards at Ditchford gravel-pits near Wellingborough, Northamptonshire, L. York was amazed to see a female Mallard Anas platy...
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Notes

01 September 1939 Comments Notes PROOF of the sex of the bird choosing the nesting-site is generally so difficult to obtain that it seems worth while to record some evidence in the case of a House-Sparrow (Passer d. domesticus) in my garden in the spring of 1939. Early in March I notice...
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