Notes

01 December 1976 Comments Notes Diving rates of Great Northern Diver An adult Great Northern Diver Gavia immer was present at Chew Valley Lake, Avon, in November 1974, when the following observations, mainly concerning the bird's diving behaviour, were made. Preliminary obser...
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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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