The croaking of frogs and toads is as much a part of spring as birdsong and gardening. When these animals go courting in ponds and pools, it’s hard to miss—though not everyone enjoys nighttime frog ...

Nature Cat leads his friends to the pond for a day of listening to one of the most amazing spring sounds: the bullfrog croak! At the pond, amid the bullfrog croaks, the gang hears another sound: ...

Chris Kehrer, science program manager at Port Royal Sound Foundation in South Carolina, recently answered a question I have wondered about since childhood. Why does the Atlantic croaker, a marine fish ...