Monthly marathon

01 April 1989
Comments Other As readers will have discovered, the January Sponsored by issue arrived lateā€”the result of a serious machine breakdown at the commercial company which packs and mails the issues of British Birds for us each month. We have, therefore, extended the 'Mo...
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Seventy-five years ago...

01 April 1989
Comments Other 'IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the ...
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Fifty years ago

01 November 1981
Comments Other 'Most of the estimates about the Hobby's status are vague and uncertain. During the last twenty years it has deserted several haunts, in others it is decreasing rapidly. The desertion of old strongholds affords a sad but interesting problem. The reason...
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