Understanding sonograms

01 July 2000
Comments Main paper ABSTRACT Although sonograms are being used more and more to portray bird sounds, many people find them hard to understand. Once understood, however, they can be useful to the amateur as well as to the professional, so long as one does not try to read t...
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Reviews

01 September 1978
Comments Reviews Wildlife Sound Recording. By John B. Fisher. Pelham Books, London, 1977. 173 pages; 16 black-and-white photographs; 17 figures. £5-95 Many would-be sound recordists are discouraged by the thought that the subject is too technical. This book ex...
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Reviews

01 March 1971
Comments Reviews Wild Wings to the Northlands. By S. Bayliss Smith. Witherby, London, 1970. 208 pages; 24 black-and-white photographs. £1.50. Anyone might be forgiven for thinking, on brief acquaintance, that this is just another birdwatcher's travelogue full of sen...
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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 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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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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