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Watch a monarch caterpillar transform into a chrysalis, emerge as an adult and take its first flight! Monarch caterpillars feed on milkweed and develop through five instars, or growth stages, before forming a ‘J’ shape and transforming into a chrysalis. Observe the butterfly’s wing pattern through the green chrysalis as it darkens just before the adult emerges. After emerging, the butterfly pumps body fluid into its wings, allowing them to fully expand and harden, before taking its first flight.
Music by Purple Planet, http://www.purple-planet.com/

Also

Butterfly Rainforest YouTube

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