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01 February 1962 Comments Editorials Cold weather migrations.--The British Trust for Ornithology and "British Birds are analysing the unusually impressive cold -weather migrations of the week following 28th December 1961. All records of movements, arrivals and departures at this period are o...

Letters

01 February 1962 Comments Letters What is a British bird ? Sirs,--The recent note and subsequent correspondence on the occurrence of a White-throated Sparrow (Zonotrichia albkollis) in Hampshire {Brit. Birds, 54: 366-367 and 439-440) prompts once more the question: what is a British bird?...

Reviews

01 February 1962 Comments Reviews D o w n the L o n g Wind (A Study of Bird Migration). By Garth Christian. N e w n e s , London, 1961. 240 pages; 31 plates; 23 maps. 21s. Few branches of ornithology have made more rapid strides than the study of migration and every year now sees the publ...

Notes

01 February 1962 Comments Notes British-ringed Manx Shearwater recovered in Australia,--The Bird Ringing Committee of the British Trust for Ornithology has received a letter dated 22nd November 1961, which reports that the feathers and bones of a sea-bird "black or dark on top with whit...

South-eastern rarities at Fair Isle

01 February 1962 Comments Main paper O N E O F T H E MOST I M P O R T A N T results of Eagle Clarke's (1912) studies of migration in the early years of this century was his discovery that two species which breed in eastern and central Europe occur with inexplicable regularity in autumn in th...

Some photographic studies of the Swift

01 February 1962 Comments Main paper A YEAR A G O we published a selection of photographs of the Nightjar (Caprimulgus europaeus) {Brit. Birds, 54: 69-71 and plates 10-17). We made the point then that we hoped periodically to have other series of common birds, provided that they were of biol...

Birds with abnormal bills

01 February 1962 Comments Open Access C L O S E C O R R E L A T I O N of the shape and size of a bird's bill with its feeding preferences has been demonstrated even within a species (see Lack 1947, Snow 1954). But individuals with bills differing considerably from the normal also occur, ev...

Letters

01 July 1959 Comments Letters B L A C K B I R D S F E E D I N G ON M A R I N E W O R M S S I R S , -- I can confirm the note by Mr. Roger Harkness (antea, p. 97) on Blackbirds (Turdus merula) feeding on marine worms, strangely enough from the same part of Hampshire--at Hill Head, whic...

Notes

01 July 1959 Comments Notes Duration of dives of Black-throated Diver.--In Sutherland on -25th May 1955 we were able to make continuous observations for nearly four hours on the diving of a Black-throated Diver (Gavia arctica). T h e site was a loch half a mile wide and seven miles ...

Visible migration in N.E. Norfolk in November 1956

01 July 1959 Comments Main paper IN THE LATE AUTUMN of 1956 my wife and I watched for visible migration near Cromer in north-east Norfolk on thirteen days during the period 31st October-i5th November. Our actual observation point was the cliff top at East Runton which is about two miles ...

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Search

Request for information

Letters

Reviews

Notes

South-eastern rarities at Fair Isle

Some photographic studies of the Swift

Birds with abnormal bills

Letters

Notes

Visible migration in N.E. Norfolk in November 1956

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