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 ...

CHICAGO, May 8, 2023 – The coqui frog is one of Puerto Rico’s most iconic animals. It gets its name from its distinctive two-note call, “co-qui,” which can be heard throughout the island every night.

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 ...