Want a Cozy, Free Home? Ask This Caterpillar How

After growing up inside a “grass taco,” a grass skipper butterfly emerges and woos a mate.

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Want a Cozy, Free Home? Ask This Caterpillar How Deep Look

Premiered January 09, 2025

As a caterpillar, a grass skipper butterfly is an architect. It builds its home by weaving silk, which the caterpillar uses to fold shut a blade of grass. After growing up inside this “grass taco,” it emerges as a fuzzy butterfly that woos a mate with flirty courtship dances.

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Deep Look: Season 12

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Want a Cozy, Free Home? Ask This Caterpillar How

About the Program

Deep Look

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.