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July reports

01 October 1974 Comments News and comment These are largely unchecked reports, not authenticated records A Black-browed Albatross Diomedea melanophris was present in the gannetry on Herrnaness, Unst (Shetland), throughout the summer. Following the June report of a Fulmar Fulmarus glaci...

News and comment

01 October 1974 Comments News and comment Growth of the British and Irish list The number of full species admitted to the British and Irish list during the 17 decades which have elapsed since 1800 has varied from as few as four to as many as 27 per decade, the average being 13; Kenneth...

Letters

01 October 1974 Comments Letters ...

Notes

01 October 1974 Comments Notes Egg-laying by the Great Crested Grebe Although the behaviour of Great Crested Grebes Podiceps cristatus has been intensively studied, many questions are still open. One such question is how Great Crested Grebes lay their eggs, and whether they exhibit ...

Adaptations in the reproductive biology of the Great Crested Grebe

01 October 1974 Comments Main paper The Great Crested Grebe Podiceps cristatus shows many striking and puzzling features in its reproductive biology, these being the subject of the present paper which is primarily concerned with adaptive aspects. My own studies on this species, which inv...

Allen's Gallinule in Britain and the Palearctic

01 October 1974 Comments Main paper Allen's Gallinule Porphyrula alleni, a tropical African bird, has but once been obtained in Britain: off the Suffolk coast in January 1902. The species was not then admitted to the British and Irish list; there was some incredulity at the concept of a ...

Requests for Information

01 June 1952 Comments Editorials 224 REQUESTS FOR INFORMATION. (i) A number of readers have already reported unusually early arrivals of summer migrants in 1952, especially in March. As a general rule we have regarded records of this sort as being the province of local reports, but such ...

Notes

01 June 1952 Comments Notes 13th, 1951, Campbell Ballantyne told G. E. Wooldridge of two warblers that he had been watching that morning. Although obviously warblers their identity was puzzling. He gave a fairly full description of the birds seen, the most striking feature being, "v...

Mid-season movements of Swifts in Sussex

01 June 1952 Comments Main paper IN his article, " T h e Movements of Swifts in S u m m e r " (antea, vol. xliv, pp. 146-152), H. G. Hurrell states that " t h e r e is evidence which suggests the possibility of an influx from the Continent about the end of J u n e " . My own observations...

Studies of some species rarely photographed. XL. The Snow-Bunting

01 June 1952 Comments Main paper (Plates 45-51). As a winter visitor the Snow-Bunting (Plectrophenax nivalis) is mainly a coastal bird. As a rule it occurs in some numbers on the north and east coasts, but in most years smaller numbers are also seen in the west and south-west, so that it...

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July reports

News and comment

Letters

Notes

Adaptations in the reproductive biology of the Great Crested Grebe

Allen's Gallinule in Britain and the Palearctic

Requests for Information

Notes

Mid-season movements of Swifts in Sussex

Studies of some species rarely photographed. XL. The Snow-Bunting

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