The croaking of frogs and toads is as much a part of spring as birdsong and gardening. When these creatures head to ponds and pools in search of mates, it’s hard to miss–though not everyone ...

Male túngara frogs croak from shallow puddles to attract mates. But new research finds that their love songs have a dark side: They create ripples that attract the attention of frog-eating bats.

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 ...