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 ...

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 ...

Why do frogs croak? The vocalizations we hear on cool, rainy evenings are the mating calls of the male frogs as they arrive at their breeding spots. Each species has a distinctive croak, squeak, trill ...