Letters

01 July 1987
Comments Letters Sabine's Gulls and Skylarks in winter. Since P.J. Grant has now accused me, at three times the length of the original offence, of irrelevance, deception, shirking a challenge, an unconstructive attitude, failure to produce tangible evidence, chauvinism...
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Letters

01 May 1980
Comments Letters Judging the size of birds The frequency with which observers claim to have made an accurate assessment of a bird's size, in situations where it is impossible to judge distance, or where there are no other species close by for comparison, lead...
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