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September and October report

01 February 1976 Comments News and comment The weather in early September was mainly anticyclonic but an airstream from the west and south-west took over, being particularly prominent from mid-month with gale force winds on several occasions. In October the picture changed, with many warm, dry ...

News and Comment

01 February 1976 Comments News and comment Appointments to the Scientific Authority for Animals The Secretary for the Environment has appointed twelve members of the Scientific Authority for Animals to give advice on the Convention on International Trade in Endangered Species of Wild Fa...

Reviews

01 February 1976 Comments Reviews Watching Sea Birds. By Richard Perry. Groom Helm, London, 1975. 230 pages; 16 line-drawings; 2 maps. £4.75. This is not really a new book but a reprinting of parts of two of the author's earlier books, both of which--Lundy Isle of Puffins (194...

Notes

01 February 1976 Comments Notes Peregrine and Raven possibly contaminated by Fulmar oil With reference to R. A. Broad's paper on Fulmar Fulmarus glacialis oil contamination (Brit. Birds, 67: 297-301), the following observations of possible oiling may be of interest. On 10th J...

The flight behaviour of Starlings at a winter roost

01 February 1976 Comments Main paper Co-ordinated flying displays by flocks of Starlings Sturnus vulgaris are often a feature at pre-roosting areas, but the most spectacular displays occur at the main roost, when very large numbers of birds fly together, prior to final roosting. On many e...

Laying dates of four species of tits in Wytham Wood, Oxfordshire

01 February 1976 Comments Main paper It has been argued by Perrins (1970) that laying a large clutch imposes a considerable extra load on the food-gathering abilities of a small bird. From this, he suggested that the date at which individual birds in a population begin laying is related t...

Letters

01 February 1957 Comments Letters ICELAND R E D W I N G S WINTERING SIRS,--October 1956 saw an unparalleled " i n v a s i o n " of Iceland Redwings (Turdus musicus coburni) through Fair Isle, big movements occurring on the i2th, i8th-2oth and 2zLth-25th with westerly weather. Of 333 Redwi...

Reviews

01 February 1957 Comments Reviews By K. E. L. SIMMONS. Reprinted (1956) from Ã„vicultural Magazine, vol. 61, pp. 3-13, 93-102, 131-146, 181-201, 235-253, 294-316. Obtainable from A. A. Prestwich, 61 Chase Road, London, N.14. Price 5s. M R . SIMMONS'S paper is really a miniature monogr...

Notes

01 February 1957 Comments Notes Snipe with abnormal bill.--On 25Ãœ1 July 1956, at Crook, near Kendal, Westmorland, I took a photograph (see plate 16) of a female Snipe (Capella gallinago) with an up-curved bill. The bird was incubating four eggs in a grass tussock in low-lying, swampy...

Photographic studies of some less familiar birds: LXXVIII. Mediterranean Black-headed Gull

01 February 1957 Comments Main paper (Plates 9-1i) W E are fortunate to be able to publish this month photographs from Hungary of the Mediterranean Black-headed Gull (Larus melanocephalus) taken by D r . Peter Beretzk of the University of Szeged. D r . Beretzk has also been kind enough to gi...

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September and October report

News and Comment

Reviews

Notes

The flight behaviour of Starlings at a winter roost

Laying dates of four species of tits in Wytham Wood, Oxfordshire

Letters

Reviews

Notes

Photographic studies of some less familiar birds: LXXVIII. Mediterranean Black-headed Gull

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