Letters

01 May 1999 Comments Letters THE COMMERCIALISATION OF ORNITHOLOGY It seems strange that a seven-line suggestion by Ian Moorhouse (Brit. Birds 91: 330) that an increase in the average age of observers might help to explain a decline in the numbers of some common birds should be con...
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Letters

01 March 1953 Comments Letters SIRS,--We were interested to read Mr. Nelder's letter in your November, 1952, number (antea, vol. xlv, p. 430) and feel we should like to dispel any idea that possible bias in the collection of records is not already fully appreciated by those responsible...
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