During a recent lecture on evolution, I had to explain the differences between three different processes known as geographic, temporal and behavioral isolation. Geographic isolation is the easiest of ...

With a body the color of dead leaves and a black “mask” extending behind the eyes, the wood frog is unmistakable if you can actually find one. Credit: PHOTO BY BILL DANIELSON During a recent lecture ...

Spring peepers are tiny brown frogs that are currently creating a loud chorus in south-central Indiana wetlands. Beanblossom Bottoms Nature Preserve is a prime location to listen to the frog chorus ...

Every spring, visitors are serenaded by a chorus of frogs emanating from Stillman’s cattail marsh. And almost every person comments, “Listen to those spring peepers.” Guess what? Almost everyone who ...

For some, robins are the first sign of spring. But the changing of the seasons may be more accurately forecast by songs from a wet forest floor. On a warm night, wander near any fresh water and you’ll ...

Audio: Listen to the din of dozens of calling spring peepers in a Southeast Oklahoma wetland area. (Approx. 3 minutes) Chorus frog or tree frog: That is the question. If you're hearing a peeping, high ...

Yesterday (3/4 – Monday) was the first day I heard the “spring peepers” or chorus frogs. They are among the first sounds of spring. In the evening…I sometimes walk out to the end of the driveway to ...