GREEN BAY, Wis. (WBAY) - Tree frog researchers will boldly go where no one has gone before. They discovered seven new species of tree frogs in Madagascar that look like a lot of other tree frogs but ...

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 ...

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 ...

Recently I visited a wonderful place called the Cape County Conservation Nature Center. While there I photographed these two complacent frogs. The frog on top is a gray tree frog. The one it is ...