Cara J Posted January 15, 2015 Posted January 15, 2015 The mystery of the highest bird migration - the flight of bar-headed geese over the Himalayas - has finally been solved by scientists. Read more: http://www.bbc.co.uk/news/science-environment-30799436#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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