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Post-fledging behaviour of Choughs on Bardsey Island

01 June 1962 Comments Main paper T H E C H O U G H S {Pyrrhocorax pyrrhocorax) of Bardsey Island, off the coast of Caernarvonshire, have been a constant source of interest since the bird observatory opened there in 1953. O n e or two pairs have nested in most years and forty-seven young ...

Robin recaptures on Fair Isle

01 June 1962 Comments Main paper O N F A I R ISLE, Shetland, it is the normal practice to weigh all migrant birds at the time they are first trapped, and at any subsequent recaptures. The information is stored in a card-index, with all the data for each individual on a single card. In th...

Albinism and melanism in birds

01 June 1962 Comments Main paper T H E STUDY OF heterochtosis or colour variations in the plumage of birds is a subject that the majority of field ornithologists either ignore entirely or regard with only mild curiosity. In the early years of the present century and before that, however,...

Letters

01 June 1962 Comments Letters Black-headed Gtills eating acorns Sirs,--With reference to earlier notes on the subject of Black-headed Gulls (Lams ridibundus) eating acorns (Brit. Birds, 50: 75 and 347; 54: 118 and 130-131), I should like to point out that the late Humphrey Swann recor...

Notes

01 June 1962 Comments Notes Red-legged Partridge paddling in the sea.--On 24th March 1962, at Hunstanton, Norfolk, I saw a Red-legged Partridge {Alectoris rufa) standing in the shallow waves of the incoming tide about 250 yards below high water mark. It was a warm, dry afternoon and...

Reviews

01 January 1956 Comments Reviews By D . A. BANNERMAN and G. E. LODGE. (Oliver and Boyd, Edinburgh, 1955). V O L . I V . 259 p a g e s ; 29 plates. 45s. T H E present volume is a worthy successor to the preceding ones, but again whets the appetite for those which are to come. It covers t...

Notes

01 January 1956 Comments Notes Harlequin Duck in Shetland.--While watching- waders at half tide at the Pool of Virkie, south Shetland, on the afternoon of 16th October 1955, we noticed a small dark duck which we believed was a female or first-winter Harlequin Duck (Histrionicus histrio...

Nest-Sanitation and Fledging of the Green Woodpecker

01 January 1956 Comments Main paper THERE is considerable conflict in the accounts of nest-sanitation by the Green Woodpecker (Picus viridis). Owen (1921) w r i t e s : " F r o m . n e s t s I have opened from time to time after the young have flown, it seems that generally the nest is kept...

A Raven Roost in Devon

01 January 1956 Comments Main paper A T least one large roost of Ravens (Corvus corax) has been reported in Scotland and another in W a l e s . In W . Cornwall there was one in 1945 and 1946 near an abnormally liberal food supply. In October the number of Ravens using this roost was between...

Photographic Studies of Some Less Familiar Birds: LXIX. Great Grey Owl

01 January 1956 Comments Main paper (Plates 1-3) Though the Great Grey, or Lapland, O w l (Strix nebulosa) h a s never been recorded in Britain, we feel more than justified in publishing these magnificent photographs which we have received through Mr. Moberg's friend and companion, Kapten S...

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Post-fledging behaviour of Choughs on Bardsey Island

Robin recaptures on Fair Isle

Albinism and melanism in birds

Letters

Notes

Reviews

Notes

Nest-Sanitation and Fledging of the Green Woodpecker

A Raven Roost in Devon

Photographic Studies of Some Less Familiar Birds: LXIX. Great Grey Owl

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