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Request for information Committee on toxic chemicals

01 September 1960 Comments Editorials A Joint Committee of the Royal Society for the Protection of Birds and the British Trust for Ornithology has now been formed, under the Chairmanship of Stanley Cramp, to study the effects of toxic chemicals on birds. The Committee is anxious to obtain any...

Recent Reports and News

01 September 1960 Comments News and comment The items here are largely unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgment alone, from sources generally found to be reliable. Observers' names are usually omitted for reasons of sp...

Notes

01 September 1960 Comments Notes Curlew Sandpipers wintering in Lancashire.--On 2nd January i960, I saw a Curlew Sandpiper {Calidris testacea) on the mud-flats of the Ribble Estuary at Lytham, Lancashire. O n 12th February there were three there and from then until April up to six were s...

Studies of less familiar birds 106. Lesser Grey Shrike

01 September 1960 Comments Main paper only 22 records of the Lesser Grey Shrike (Lanitts minor) in the British Isles were admitted and five of those cannot now be accepted. Only 17 Lesser Grey Shrikes in nearly a hundred years since the first was identified in 1842--yet from the autumn of 195...

Nearctic birds in Great Britain and Ireland in autumn 1958

01 September 1960 Comments Main paper vagrant birds from across the Atlantic appeared in Great Britain and Ireland. The species involved included ones with normal distributions ranging from western Greenland and arctic Canada south to the eastern United States and Florida. Shorebirds and wate...

The use of mobile observers in the study of Patterns of migration

01 May 1951 Comments Main paper of the observation work on the migration of the Swift (Apus apus) dor e in the years 1947-50 has been carried out at fixed vantage points. In general, this method has resulted in the acquisition of useful statistical data, but inherent in it are several p...

The movements of Swifts in summer

01 May 1951 Comments Main paper 1950 was a good year for studying the movements of Swifts (Apus apus). Well over 20,000 were reported during the special watch held under the auspices of the British Trust for Ornithology. This covered the arrival period prior to May 15th, 1950. Another 2...

Editorial

01 May 1951 Comments Editorials As announced in British Birds for March a new editorial board, whose members are named on the title-page, becomes responsible for the conduct of the magazine beginning with this issue. It is intended to maintain broadly the existing traditions, standards...

Letters

01 May 1951 Comments Letters SIRS,--A serious error has crept into t h e obituary notice of m y old friend Bernard Tucker. To quote : " The memorable Oxford University Expedition to Spitsbergen " took place in 1921 n o t 1922, and Tucker was n o t one of t h e members. I n 1922 F . C...

Reviews

01 May 1951 Comments Reviews The Breeding-birds of the Netherlands. By A. L. J. Van IJzendoorn. (Brill, Leiden, 1950. 6.25 Guilders). Holland consists of some 33,330 sq. km. (roughly 8 million acres) of land and some 5,000 sq. km. of water, inhabited by a human population now exceedi...

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