World's migration champion

Photo by Dave Walsh / Milennium Images

MMArctic TernMM

Sterna paradisaea

An Arctic Tern is seen defending its nest in Ny-Alesund, Svalbard, Norway, 746 miles from the North Pole.   Arctic Terns wing their way to Antartica and back to the Arctic every year, a round trip of more than 70,000 kilometres (or 2.4 million kilometres in their lifetimes) the longest known migration of any animal or bird.

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