Typical signs of spring include budding trees, a colorful assortment of flowers, tweeting birds and the cacophony of singing frogs. The warmer weather is enough to inspire anyone to sing with joy, but ...

Every other Friday, the Outside/In team here at NHPR answers listener questions about the natural world. Today's question comes from Andy, calling from Dover, New Hampshire. Alejandro Vélez: That is a ...

So, why do frogs sing? One of the most important reasons is for advertising. They are looking for a mate. Their song says "I'm here, I'm handsome, beautiful and available. Come on over, the water's ...

A male tungara frog in Panama uses his vocal sac to call out in Gamboa, Panama. A study released on Monday, Dec. 10, 2018, examines why these amphibians adapt their mating calls in urban areas _ an ...

Deep in the evergreen forests of Vietnam, curious little green-blooded frogs spend monsoon nights performing vocals, improvising new melodies each time they sing. Known popularly as “frogs that sing ...

We humans have come up with some poetic collective nouns for animals. A murder of crows. A parliament of owls. Even a shrewdness of apes (now also the name of a band). So it seems we missed the ...

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 ...