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 ...

Summer evenings, particularly after a rain storm, bring a chorus of frogs and toads with an oddly pleasing harmony of bleats, rattles, trills and chirps. Frogs and toads singing in unison create a ...

A green frog rests in the shallow stream of clear water that drains out of my meadow. Credit: PHOTO BY BILL DANIELSON For most people, Memorial Day marks the first day of summer. The official first ...

CAIMITO, Puerto Rico — The resounding calls of “ko-KEE, ko-KEE” ring out in a cadence that brings music to Puerto Rican nights. The tiny frog that produces the melody is named coqui after its ...

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 ...

A frog in Anhui Province in China warbles and flutes with so much versatility that researchers, upon first hearing it, couldn’t believe it was what it is. Frog calls rarely show a lot of diversity, ...

It may have been a bit cooler and later than normal, but our spring did unfold to give us nearly all of the happenings that we expect for the season. Recent warm temperatures may make us forget the ...

Researchers using advanced recording technology have identified how individual songs in amphibian choruses may influence mating, according to a Dartmouth study. The study of wood frog choruses is ...