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Rapid microevolution of migratory behaviour in a wild bird species
THE Blackcap, Sylvia atricapilla, a widespread Palearctic migratory bird, rarely wintered in Britain until the 1950s. The winter population has since increased to several thousand birds1,2. RingingExpand
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Heritability of the timing of autumn migration in a natural bird population
In recent decades, global temperature has increased at an unprecedented rate. This has been causing rapid environmental shifts that have altered the selective regimes determining the annualExpand
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Inheritance of a novel migratory direction in Central European blackcaps
described above differ markedly from those of all avian species studied to date [2]. Most notable is the panoramic nature of vision beneath the bill. We propose that this feature is closelyExpand
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Mountain ash berries: left hanging!