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 ...

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 ...

It seems like you can divide New Jerseyans into two camps this time of year - people who love the song of spring peeper frogs and relish the sound and those who have no idea what they're talking about ...

SAGAMORE HILLS -- Especially after a long, hard winter, the song of a male spring peeper is a glorious sound. The tiny tree frog expands his throat, until it looks like someone blowing bubble gum. And ...

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 ...