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This Caterpillar Whistles While It Irks
The North American walnut sphinx caterpillar produces a whistle that sounds just like a songbird's alarm call--and the whistle seems to startle birds. Christopher Intagliata reports.
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By Scientific American
4.2
599599 ratings
The North American walnut sphinx caterpillar produces a whistle that sounds just like a songbird's alarm call--and the whistle seems to startle birds. Christopher Intagliata reports.
Learn more about your ad choices. Visit megaphone.fm/adchoices
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