BBRC and Yellow Wagtails

01 July 2016 Comments Main paper Abstract This paper describes BBRC’s current approach to vagrant forms of the Yellow Wagtail Motacilla flava in Britain, and includes examples of recent records from the Rarities Committee’s files. Its purpo...
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Notes

01 November 1963 Comments Notes 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 man...
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