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...
Read More

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...
Read More

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...
Read More

Notes

01 September 1944 Comments Notes As already reported in Brit. Birds (antea, Vols, xxxiii, p. 194, xxxv, p. 58, xxxvi, p. 143), a female Carrion Crow (Corvus c. corone) and a male Hooded Crow (Corvus c. comix) interbred in a wood in south Co. Dublin in 1939, 1940, 1941 and 1942. In 1943 ...
Read More

Notes

01 July 1944 Comments Notes The following observations are for the year 1943. KESTREL (Falco t. tinnunculus).--On July 17th I noticed a female which after landing on the ground started to run about with its body in a crouching attitude and gait a fast lope. The bird appeared to be ...
Read More

Notes

01 June 1944 Comments Notes APPROXIMATELY two weeks after the second brood of Black Redstarts (Pheenicurus ochrurus gibraltariensis), which bred at the Temple, had fledged, Mr. R. L. E. Ford, F.R.E.S. and myself obtained the nest for examination purposes. The following food remains...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now