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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 December 1956 Comments Letters I N T E R P R E T A T I O N O F V A R I A T I O N AMONG T H E YELLOW WAGTAILS S I R S , -- May I ask a little of your space in which to comment on some points in Dr. Mayr's summing-up (antea, pp. 115-119) of our present state of knowledge of the Yellow Wa...

Reviews

01 December 1956 Comments Reviews Edited by Major-General H . P . W . HUTSON, C.B., D . S . O . , O . B . E . , M.C. (Published by British Ornithologists' Union and distributed by H . F . & G. Witherby, Ltd., London, 1956). 268 pages. 21/-, postage 1/6. MANY ornithologists who spend much...

Notes

01 December 1956 Comments Notes Albinism related to age.--With reference to notes on this subject (antea, vol. xlvii, p . 406; vol. xlix, p . 153), I have come across a similar case, also with a male Blackbird (Turdus merula). The bird was ringed at Burgess Hill, Sussex, on 13th Decembe...

The Food of Nestling Purple Herons in Holland

01 December 1956 Comments Main paper IN late June 1956 we visited two colonies of Purple Herons (Ardea purpurea) in Holland in order to observe feeding and other behaviour for comparison with our studies in England of the Common Heron (A. cinerea). The colonies visited were at the Naardermee...

Obituary: A. W. P. Robertson (1908-1956)

01 December 1956 Comments Obituaries COMMANDER Alexander William Parrish Robertson, R . N . (Retd)., died on 13th June, 1956. Born a t Harlow, Essex, in August 1908 and educated at Harrow, he entered the Royal Navy in 1926 and served in China, the Mediterranean and Australia, followed by ser...

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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

The Food of Nestling Purple Herons in Holland

Obituary: A. W. P. Robertson (1908-1956)

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