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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Notes

01 April 1932 Comments Notes ROLPH of Lakenheath has recently completed an interesting experiment with several species of small, softbilled birds. For some weeks he kept in captivity a Nightingale [Luscinia megarhyncha), a Pied Wagtail (Motacilla a. yarrcllii), a Wheatear {(Enanihe ...
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