Watching migration by radar

01 August 1959
Comments Main paper So FAR AS I know, the first time that radar echoes were definitely identified as coming from birds was in the spring of 1940, when an experimental equipment on a wavelength of 50 cm. at Christchurch, Hampshire, detected gulls (Larus spp.) (Shire, 1958). U...
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Notes

01 January 1945
Comments Notes reference to Capt. A. C. Fraser's note on this subject (antea, p. 94), I have the following note in my diary for December ioth, 1943 :-- Watched three Bullfinches (one male and two females) They were low down on Snowberry (Symphoricarpus) shrubs and at t...
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Notes

01 December 1944
Comments Notes I HAVE previously (antea, Vol. xxxiii, p. 265) given examples from the Robin (Erithacus rubecula) and the Blackcock (Lyrurus tetrix) of a male attempting to disturb the coition of another pair. Similar behaviour is characteristic of geese and swans, as n...
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Notes

01 November 1944
Comments Notes ALTHOUGH Carrion-Crows (Corvus c. cowrie) and Rooks (Corvus f, frugilegws) have been recorded occasionally as nesting on electric pylons, it may be of interest to record that as a result of observations by Mr. A. E. Billett at Weston-super-Mare, Somerset...
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Notes

01 August 1944
Comments Notes ON March 26th, 1943, K. Williamson and one of the writers, W.S.C., when engaged on a rookery census were surprised to hear a pair of Ravens (Corvus c. corax) croaking anxiously and flying around Montpelier Wood in the heart of Sully Glen, Isle of Man. De...
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