Billions Of Birds Migrate. Where Do They Go?
Migratory birds have made their thousand-mile flights for millennia, but we are just now learning to map their mesmerizing journeys.
February 28, 2018 at 03:06AM
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Billions Of Birds Migrate. Where Do They Go?
Migratory birds have made their thousand-mile flights for millennia, but we are just now learning to map their mesmerizing journeys.
February 28, 2018 at 03:06AM
via Digg http://ift.tt/2CMlxUt