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.

THE SANTA ROSA PLATEAU ECOLOGICAL RESERVE, Calif. — The scientist traipses to a pond wearing rubber boots but he doesn’t enter the water. Instead, Brad Hollingsworth squats next to its swampy edge and ...

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 ...

Green tree frogs are some of the most commonly seen tree frogs in the world. Two primary species share the specific name “green tree frog”: the American species and the Australian species. Australian ...