A mink frog sits on a lily pad in midsummer. Note the yellow-green lip. This summer frog is very aquatic and rarely on land.

Every other Friday, the Outside/In team here at NHPR answers listener questions about the natural world. Today's question comes from Andy, calling from Dover, New Hampshire. Alejandro Vélez: That is a ...

Beneath the strawberry moon in late June, we listened to green frogs belting out their banjo-like twang from a pond at Wright Woods near Vernon Hills. It was 10 p.m., and though the forest preserves ...