- Swifts already hold the title of the fastest fliers on Earth and now the small soot-brown birds have been revealed as one of nature’s greatest endurance athletes, after scientists discovered they spend ten months of the year entirely airborne. https://www.theguardian.com/environment/2016/oct/27/swifts-spend-ten-months-a-year-entirely-airborne-study-reveals 57 comments science
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