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Deep Look
These Silk-Swinging Caterpillars Will Ruin Your Picnic
Season 8
Episode 1
California oak moth caterpillars eat all the leaves on an oak, leaving a brown skeleton. Then they rappel down on a strand of silk, twirling and swinging. If you were enjoying the shade, good luck getting out of their way. For the oak, the caterpillars are a bigger deal –– will the tree survive?
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