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Showing posts from July 19, 2018

Mercury linked to dramatic decline of migratory songbirds: study

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RCI Radio Canada International The Cape May warbler, while not named in this story, also migrates from the  West Indies to the Boreal forests of Canada. A PinP photo. Examination of tail feathers suggests that mercury is one of the determining factors for the steep declines of many songbird populations that migrate long distances to and from North America. More here.