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Recent reports - May

01 August 1973 Comments News and comment These are largely unchecked reports, not authenticated records May was a month of unsettled weather, generally warm in most parts of Britain but with above average rainfall in some places. The presence during the first week of an area of high pressure ...

Notes

01 August 1973 Comments Notes Death of Great Crested Grebe in unusual circumstances On 26th June 1971, at Rostherne Mere National Nature Reserve, Cheshire, I observed a pair of Great Crested Grebes Podiceps cristatus in what appeared to be normal courtship display. One part...

Predation of migrant birds by gulls

01 August 1973 Comments Main paper Gulls Larus have a very diverse feeding ecology, but vertebrates form a significant part of the diet of some species (Tinbergen 1953). They are well known for their depredations on the eggs and young of colonial seabirds; they also attack and kill inju...

Report on rare birds in Great Britain in 1972

01 August 1973 Comments Main paper This is the fifteenth annual report of the Rarities Committee. The composition of the committee is now D. I. M. Wallace (chairman), F. R. Smith (honorary secretary), D. G. Bell, A. R. M. Blake, P. E. Davis, R. H. Dennis, P.J. Grant, R.J.Johns, R. A. Ri...

Current developments in the work of the Rarities Committee

01 August 1973 Comments Main paper During 1972, and more particularly at its annual meeting in March 1973, the Rarities Committee has reviewed many points of policy and practice. Conscious of the criticism that it periodically attracts, it remains anxious to conduct its work as openly a...

Letters

01 September 1953 Comments Letters SIRS,--In the Vosges mountains in France during the first World War earthenware pots especially designed for sparrows to nest in were to be seen on the walls of a great many farms and I have no doubt the practice still persists. These served a double purp...

Reviews

01 September 1953 Comments Reviews Rare and Extinct Birds of Britain. By Ralph Whitlock. (Phcenix House, London, 1953). 21s. I t is open to question whether a satisfactory book can be written on the subject of our rare and extinct birds. To contribute anything original to knowledge in this...

Notes

01 September 1953 Comments Notes Nesting of Curlew on river shingle-beds.--Of late years Curlews (Numenius arquata) have been nesting in increasing numbers on inland pastures and meadows in Northumberland, whereas formerly they were birds of the moorlands, nesting on heather-clad hills ...

Field observations on the biology of the Marsh Tit

01 September 1953 Comments Main paper MAY (1949) asserts that as pair-formation behaviour patterns " a r e not related to the sex act, which is the criterion for 'sexual behaviour' " , pair-formation is not sexual behaviour, at any rate in the Willow Warbler (Phylloscopus trochilus) which he...

Studies of some species rarely photographed. LI. Arctic Warbler

01 September 1953 Comments Main paper (Plates 48-55) P. O. SWANBERG obtained these unique photographs of the littlestudied Arctic Warbler (Phylloscopus borealis) in 1952 in Swedish Lapland which is the north-western outpost in this bird's breeding-range. The typical race, often known as Evers...

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Recent reports - May

Notes

Predation of migrant birds by gulls

Report on rare birds in Great Britain in 1972

Current developments in the work of the Rarities Committee

Letters

Reviews

Notes

Field observations on the biology of the Marsh Tit

Studies of some species rarely photographed. LI. Arctic Warbler

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