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 ...

Many of us think of the first signs of spring as being visual the first bird of spring or the first wildflower of spring. While there is plenty of debate on what species of bird constitutes the first, ...

One of the earliest signs of spring isn’t something you can see, feel, or touch. You probably won’t even hear it during the day. This harbinger of spring is heard in the evening, long before the last ...

A tiny peeper, aka pseudacris crucifer, makes a huge noise. This episode was first heard in March 2018 and was produced by Andrew Parrella. It’s an unmistakable sound; one that elicits memories, ...

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 ...

You might think the sounds you hear coming from wetlands are the distant quacking of ducks. You’d be wrong. Or you might think the evening chorus of chirping along the creek is produced by a flock of ...

Zak Mertz holds a spring peeper frog, moments before setting it free next to a vernal pool in Weymouth, Mass. Inside the New England Wildlife Center in Weymouth, Zak Mertz pointed to what he called a ...

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 ...