If you’re out on a walk in early spring and you happen to hear clucking, don’t start looking around for barnyard birds. The wood frog is one of the first frog species to emerge in late winter in the ...

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 ...

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 ...

In any neighborhood in spring where there’s a spit — or maybe a bit more — of water, you might hear an unusual sound as if someone were rubbing a thumb against the teeth of a comb. The sound ...

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 ...

Late April is when we reach 14 hours of daylight, with the sun rising at 6 a.m. and setting at 8 p.m. With the pace of spring picking up, there is plenty to see during these hours. Trees continue ...

There’s been not a peep, nor quack or croak. But very soon, wood frogs, defrosted from their winter shutdowns, will head to vernal pools and start a quacking quarreling-duck racket. Then peepers will ...

Like you, from time to time I get asked to name my favorite musical albums. Among my list of Led Zeppelin and Van Morrison and Charlie Parker selections is one by Ray Anderson, the late University of ...

AGASSIZ NATIONAL WILDLIFE REFUGE, Minn. -- The sun was just a dimming red ball on the western horizon when Maggie Anderson stepped out of the truck to hear what she could hear. The sky overhead was ...

Each spring, when the weather starts warming, Midlander Eldon Enger drives down dark country roads, getting out of his truck to check for frogs and toads nearby. Although it might sound like a kooky ...