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The Cool Down on MSNScientists sound the alarm after discovering worrisome change in migratory species behavior: 'It's terribly sad to see'Traditionally, thousands of swans migrate from their breeding grounds each year. Scientists sound the alarm after discovering ...
Right now, in March, Tundra Swans are beginning to journey north toward their breeding grounds in the arctic region of North America. There, they nest on marshy tundra lakes (and yes, it's their ...
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