15 Remarkable Types of Caterpillars and What They Become

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Owl Butterfly Caterpillar
a long, brown owl butterfly caterpillar on a green leaf
Harald Süpfle / Wikimedia Commons / CC BY-SA 2.5

Inhabitants of Central and South American rainforests, these slug-like brown caterpillars can reach lengths of up to six inches before transforming into equally impressive butterflies with wingspans of over five inches, making it the largest butterfly species in the Americas.

Decked out with horns on their heads, forked tails, and a series of black spikes along their spines, these ravenous caterpillars spend most of their time gobbling banana leaves and sugar cane. They eat so much that they're considered pests near plantations.11

Owl butterflies are known for their love of fermented fruit, as well as the fake owl eyes on their wings (complete with a pupil and iris) that are perfectly fashioned to frighten off predatory birds and lizards.12

an owl butterfly, with it's distinctive markings that look like owl eyes, on a green stem
Owl butterfly. Pseudopanax / Wikimedia Commons / Public Domain
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