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 August 1936
Comments Notes A NEST of a Carrion-Crow (Corvus c. corone) in a willow tree in Walland Marsh, Kent, had a clutch of eggs which was taken on April 12th, 1936. On May 17th, the nest contained another clutch of eggs which were exactly like the first. The nest did not appe...
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