Sighting of Colour-ringed 'alba' wagtails
01 September 2006
Editorials
During autumn 2005, over 500 White/Pied Wagtails Motacilla alba alba/yarelli were colour-marked at Slapton Ley NNR, Devon, as part of an intensive study investigating the origins of the many thousands of wagtails (currently estimated at 30,00050,000)...
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