Podknife - This Caterpillar Whistles While It Irks by Science, Quickly

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This Caterpillar Whistles While It Irks

Podcast |: Science, Quickly
Publisher |: Scientific American
Media Type |: audio
Podknife tags |: Science & Medicine,; Technology
Categories Via RSS |: Science
Publication Date |: Jul 28, 2017
Episode Duration |: 00:02:06

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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