2min chapter

Planet Money cover image

Supply, demand, extinction

Planet Money

CHAPTER

The Evolution of Frogs

These frogs don't worry about predators. They're bright colors tell predators to stay away that they're poisonous. Those are part of an evolutionary strategy that's helped them thrive here in their natural environment for millions of years. This valley used to be filled with the sound of ufaga lemani. Up until 50 years ago, when the worst predators arrived, the smugglers.

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