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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 ...

Simultaneous Watch for migrant Swifts, May 11th, 1947

01 May 1948 Comments Main paper IN the spring of 1947 the British Trust for Ornithology invited as many as possible of its members and others interested to undertake a simultaneous watch of the movements of Swifts (Apus a. apus) on a pre-selected day--May n t h , 1947.Five similar watch...

Notes

01 May 1948 Comments Notes ON December 18th, 1946, I saw a Nutcracker (Nucifraga caryocaiactes subsp.?) about two miles west of Turners Hill, Sussex. It flew across the road and settled in a tree about 35 yards away in full view. I was able to watch the bird for about three minute...

The index of Heron population, 1947

01 May 1948 Comments Main paper THE number of heronries on which reports for 1947 were received at the Edward Grey Institute was 158, or 13 less than in the previous year. Of these 122 were in England, 6 in Wales, 11 in Scotland and 19 in Ireland. We are indebted to 63 informants, of wh...

TURNSTONES ON A BALTIC ISLET

01 January 1926 Comments ...

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