Letters

01 December 1990 Comments Letters Ancient bird names. I welcome this opportunity to reply to Dougal Andrew's comments on classical bird names (Brit. Birds 83: 334-335). Our original object in the introduction to our account of the Yelkouan Shearwater Puffinus yelkouan (Brit. Birds...
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Letters

01 December 1966 Comments Letters Week-end bias, length of stay of rarities and proportion of rarities undetected Sirs,--Although the effect of 'week-end bias' (the increased watching at week-ends) is often commented on, there appear to be no figures to show exactly how marked it is. In a...
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