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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... Read More

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... Read More

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... Read More

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... Read More