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National Zoo and Conservation Biology Institute

This 17-year Brood X cicada nymph is one step away from adulthood. After emerging from the dirt, cicadas typically crawl up the base of a tree to complete their final molt, expand their wings and fly away.

Cicada Snacks: The Wild (and Tasty) Side of Brood X at the Zoo

A sea lion at the Smithsonian's National Zoo and Conservation Biology Institute.

5 Free Programs Streaming for Earth Week

This leaf-tailed gecko hatchling receives his medication from a syringe, which he laps up with his impressive tongue.

How Do You Give Medicine to Zoo Animals?

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