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Migration at the Smith's Knoll light-vessel, autumn 1953

01 January 1975 Comments Main paper ...

Reviews

01 October 1956 Comments Reviews LOCAL REPORT REVIEWS YORKSHIRE NATURALISTS' UNION: ORNITHOLOGICAL R E P O R T , for 1953 (26 pages), and 1954 (27 pages). E d i t o r : R. Chislett, Brookside, Masham, N r . Ripon. Price 2s. each. T H E very full and detailed systematic lists of 22 pages ...

Gulls Feeding on Grain

01 October 1956 Comments Main paper DURING the third week in August 1955, gulls frequented a field overlooking the Dale Estuary in St. Ishmael's, Pembrokeshire. They spent the whole day there, and fully three acres where they assembled were littered with patches of corn husks, each patch be...

Photographic Studies of Some Less Familiar Birds: LXXIV. Citril Finch

01 October 1956 Comments Main paper (Plates 53-56) T H E Citril Finch (Carduelis citrinella) is restricted as a breeding bird to the mountain ranges of southern E u r o p e -- N . E . and S.E. Spain (chiefly.Pyrenees, Sierra de Guadarrama and Sierra Nevada), S. France (Massif Central, Pyren...

Notes on Selected Migrants at Cap Gris Nez, North France, In 1955

01 October 1956 Comments Main paper DURING the course of 1955 the writer visited Cap Gris Nez, Pas de Calais, on the north coast of France, to examine the nature of the migration which occurs on this important headland. Altogether three visits were made, the first, during 8 t h - n t h Apri...

Records of the Development of Original and Unusual Feeding Methods by Wild Passerine Birds

01 October 1956 Comments Main paper THERE is a widespread tendency among present-day students of animal behaviour to concentrate attention on the Fixed Action Patterns or "Instinctive A c t s " as the most striking and important feature of animal behaviour. And indeed it is in general true ...

Letters

01 March 1952 Comments Letters SIRS,--We are hoping to collate information about visible migration over, and on the shores of, the Mediterranean. Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...

Reviews

01 March 1952 Comments Reviews British Bird Boohs : An Index to British Ornithologv, A.D. 1481 to J.I). 1948. By Raymond Irwin (London, Grafton & Co., 1951. 63/-). The title of this book gives a very inadequate idea of its contents since it indexes and classifies, not only books, b u t...

Notes

01 March 1952 Comments Notes The Display of the Blackbird.--During observations on four pairs of Blackbirds (Turdus merula) in 1949, and on the same four pairs with the addition of another in 1950, the following display was noted. All of the birds concerned were recognizable in the ...

High speed photography as an aid to the identification of prey-II

01 March 1952 Comments Main paper IN a previous note (antea, vol. xlii, p. 358) we drew attention to the fact that high-speed flash photography of birds feeding young, frequently enables the prey to be identified because greater clarity is obtained when very short exposures are used. Duri...

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Migration at the Smith's Knoll light-vessel, autumn 1953

Reviews

Gulls Feeding on Grain

Photographic Studies of Some Less Familiar Birds: LXXIV. Citril Finch

Notes on Selected Migrants at Cap Gris Nez, North France, In 1955

Records of the Development of Original and Unusual Feeding Methods by Wild Passerine Birds

Letters

Reviews

Notes

High speed photography as an aid to the identification of prey-II

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