Notes

01 May 1963
Comments Notes FOE some years now I have been paying particular attention to the nestlings of common birds. It is of course now known to all ornithologists that the parents keep the nest clean (as a general rule) by carrying away the excrement, and often by swallowing ...
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Notes

01 April 1963
Comments Notes W E have received a good many schedules relating to these two inquiries (see Vol. VI., pp. 296-311, and Vol. VII, pp. 4-6), but we sincerely hope that many more of our readers will send in particulars. This should now be done without delay, and if the fo...
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Letters

01 January 1950
Comments Letters SIRS,--I have delayed answering the letter on the above subject from Mr. P. H. T. Hartley (British Birds, xli, pp. 254-255) because the data then available only served to justify his remark that " more investigation is needed." I examined the two sets of ...
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Notes

01 January 1950
Comments Notes IT is well-known that a great many species of birds make use of old nests of the Magpie (Pica pica). I have several times seen examples of Carrion Crows (Corvus corone) doing so. In 1949, for the first time, I have had an example of Rooks (C. frugilegus)...
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