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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...

Notes

01 December 1934 Comments Notes DURING the last week in May, 1934, a pair of Spotted Flycatchers (Muscicapa s. striata) built a nest in a cleft of a climbing rose tree growing against the wall of our house in Norfolk. On May 31st this nest contained four eggs, which were taken. On June...

Territory in the Great Crested Grebe

01 December 1934 Comments Main paper I N their review of territory in bird life, D. and L. Lack (6) consider t h a t the claims for territory have been much exaggerated and that, especially, there is not adequate proof in any species t h a t territorial behaviour has food value. I t was furt...

Movements of Ringed Birds from Abroad to the British Isles and from the British Isles Abroad

01 September 1934 Comments Main paper Only in the last few years have we obtained records to show the origin of our winter immigrant Rooks, but the information is now gradually accumulating. So far we have no ringing record of a British-bred Rook migrating oversea.*For previous parts see Vol....

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Watching migration by radar

Notes

Territory in the Great Crested Grebe

Movements of Ringed Birds from Abroad to the British Isles and from the British Isles Abroad

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