Across the animal kingdom, sound is more than communication—it's a signal of survival and success. From birds and primates to ...

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

Male frogs often force females to mate with them, but in one species, a croak from the female seems to persuade males to leave her alone. The sound may be an “honest” signal that she isn’t fertile and ...

Female red-eyed tree frogs are more than twice as likely to select a mate if they can feel the vibrations of their call instead of only hearing it. These small, bright-green frogs (Agalychnis ...

These tiny frogs have an enormous voice for their size, and the recent warm evenings have been filled with their lovely chorus.

In California's high mountain lakes, male frogs are in a race against time with only three weeks to find a mate before the ...

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 ...

Many Jamaicans have a somewhat superstitious fear of anything slippery and slimy — in other words, amphibians and reptiles. Lizards (in particular the endemic Jamaican Croaking Gecko, Aristelliger ...

An international team of researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound ...