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How does a caterpillar change into a butterfly?

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One day, the caterpillar stops eating, hangs upside down from a twig or leaf and spins itself a silky cocoon or molts into a shiny chrysalis. Within its protective casing, the caterpillar radically transforms its body, eventually emerging as a butterfly or moth. read more

Once the pupa has fully grown inside the cocoon, and the butterfly is ready to emerge, the insect releases a fluid which softens the shell. The butterfly pushes on the walls of the shell until it breaks open. The process of a caterpillar turning into a butterfly can take anywhere from 10 days to several months. read more

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