Notes

01 November 1963 Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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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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Notes

01 October 1939 Comments Notes FOR some years a pair of Grey Wagtails (Motacilla c. cinerea) have nested in and round a house in Ireland choosing as sites the window ledges of upstairs windows or the thick stems of a Virginian creeper, the nest being either built along a branch or in ...
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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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Cliff-Breeding in the House-Martin

01 June 1939 Comments Main paper IN response to the editorial appeal (antea, Vol. XXXII, p, 118) for information on cliff-breeding in the House-Martin (Delichon u, urbica) a number of observers have sent in records. From these it is obvious that breeding under natural conditions is far m...
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Letters

01 September 1937 Comments Letters SIRS,--I think Mr. David Lack is clearly right in concluding from the scene he describes (antea, p . 82) t h a t the crest of the Goldcrest (Regulus r. anglorum) is an instance of ornamentation functioning as a " threatcolour", and used for t h a t purpo...
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Notes

01 November 1936 Comments Notes ON September 5th, 1936, a Bunting was seen by several observers running about rapidly among heather clumps on Skokholm Island, Pembrokeshire. Although a sketch was made of the bird, which was very tame, no definite identification was arrived at. It was s...
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Notes

01 March 1935 Comments Notes I SPENT the months August-November (inclusive), 1934, on holiday at Salcombe, south Devon. Most of my time was engaged in bird-observing, and the following notes may be of interest:-- CUCKOO (Cuculus c. canorus).--One was calling strongly on Bolt Head, e...
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