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Island insects abandon the ability to fly, and Darwin knew why
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On the Southern Ocean Islands, small islands found halfway between Antarctica and Australia, flies that walk and moths that crawl, like the one pictured, are common. Photo by Leihy and Chow/Monash University
Dec. 10 (UPI) Though a majority of the world s insects regularly take to the air, a sizable minority have given up the ability. On the small islands found halfway between Antarctica and Australia, nearly all of the insects have abandoned flight.
Like some many evolutionary phenomena, Charles Darwin had a theory for why insects eventually forgo flight.