8 Spectacular Caterpillars That Look Like Snakes

Eastern Tiger Swallowtail Caterpillar
A bright green eastern tiger swallowtail with yellow eyes and an open mouth on a green leaf.
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The eastern tiger swallowtail is found throughout eastern North America. In its caterpillar stage, the eastern tiger swallowtail prefers the leaves of birch, wild cherry, and sweetbay magnolia trees. As an adult butterfly, the eastern tiger swallowtail enjoys flower nectar from milkweed and lilacs. Eastern swallowtail butterflies are identified by their yellow wings with dark tiger stripes.

Bonus trivia: A swallowtail caterpillar like this was the inspiration for the Pokemon Caterpie.