Letters

01 August 1952 Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...
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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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