Letters

01 January 1980 Comments Letters Bare-part colour of Snowy and Little Egrets The editorial comment which followed G. J. Oreel's letter on field identification of Snowy Egret Egretta thula (Brit. Birds 72: 128-129) was over-simplified and may be misleading. We hope that the fol...
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Letters

01 September 1978 Comments Letters Great Blue and aberrant Grey Herons I was interested to learn of the two observations of melanistic Grey Herons Ardea cinerea (Brit. Birds 70: 76, 345-346), as well as the one seen in the Camargue, France, by Dr J. G. and Dr P. F. Harrison and ...
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Letters

01 December 1977 Comments Letters Black-headed Gulls foot-paddling on grassland Joh. J. Frieswijk's letter (Brit. Birds 70: 266), recording frequent observations of Black-headed Gulls Larus ridibundus foot-paddling on grassland in the Netherlands, contrasted with my note drawin...
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Letters

01 December 1976 Comments Letters Migration in the doldrums D. I. M. Wallace expressed an atavistic 'Viewpoint' (Brit. Birds, 68: 202-203) that it was time for 'a resumption of migration studies related to conservation', and suggested setting up a working party to promote it. T...
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Letters

01 January 1966 Comments Letters Birds trapped by sludge or m u d Sirs,--I was most interested to read the note by G. L. Webber {Brit. Birds, 5 8: 296-297) on 'Birds trapped by sludge on a sewage farm'. I have found at Freckleton sewage farm and various other sites in Lancashire, includi...
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Letters

01 October 1965 Comments Letters T h e w i n g pattern of the female Great Bustard Sirs,---In his recent article on 'Flight patterns of the European bus tards' (Brit. Birds, 58: 43-47), Philip J. Stead wrote with reference to the Great Bustard Otis tarda: 'The wing patterns of both sexes...
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Letters

01 January 1950 Comments Letters SIRS,--I have delayed answering the letter on the above subject from Mr. P. H. T. Hartley (British Birds, xli, pp. 254-255) because the data then available only served to justify his remark that " more investigation is needed." I examined the two sets of ...
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