Wild Things: Spider Monkeys, Fire Ants, Hagfish and More…

Dinosaur “thunder thighs” and fast-flying moths

Spider monkey (Ateles geoffroyi) hangs by tail with mouth open. (Roy Toft / National Geographic Stock)
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Beyond The Tortoise and The Hare

Silver Y Moth
(Kim Taylor / Naturepl.com)
A songbird can fly about three times as fast as the silver Y moth over short distances. But during long-distance seasonal migrations, moths travel just as fast as birds, say scientists from Sweden's Lund University and elsewhere. They tracked birds and moths using radar and found that both averaged 18 to 40 miles per hour. The moth's trick: it waited for favorable tail winds or sought altitudes with fast-moving air. The bird's edge: it flew in most conditions.

Learn more about the silver Y moth at the Encyclopedia of Life.

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