The chorus of chirps and peeps fill the evenings each year — and it's a sure sign of spring. But what is making the noise? It's a type of frog called a spring peeper. Widely distributed in eastern ...

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Spring peepers are frogs that make high-pitched sounds to attract mates The chorus of chirps and peeps fill the evenings each year — and it's a sure sign of spring. But what is making the noise? It's ...