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Exodus begins as swifts muster for migration

14.09.2017
Příroda
Sandy, Bedfordshire A leave-taking of Britain is playing out in the skies as swifts and martins fuel up for their epic journeyThrough these last weeks of summer, the autumn migration has played out in the skies, though it goes largely unnoticed by most below. A trickle of an exodus began over the bank holiday with three dark specks, way, way up in the blue. Specks, yes, but you could see, from the wings curved like taut bows, that they were unmistakably swifts. Hatched on northern ledges they had become citizens of heaven. They deviated on insect-chasing sallies in all directions, but were overall tracking south-west. Continue reading...
Zdroj: The Guardian

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