It turns out there isn’t just one iconic sound of summer but a whole slew that, when you hear them, root you firmly in the season. I recently discussed bullfrogs in this context, but there’s also the ...

On nights of early summer, treefrogs can often be heard calling from South Jersey wetlands. As a group, these “sticky-fingered frogs” are easily recognized. Their toes end in mucous-covered discs that ...

Two related frog species differ by chromosome number, which deepened one species's calls and tells the females who's who. Steve Mirsky reports The eastern grey tree frog (sound) looks exactly like the ...