Everyone that has ever heard a frog croak associates the sound with the word “Ribbit.” In reality, the natural noise that comes from a frog or toad is really more like a chirp. Thanks to the magic of ...

The Acoustic Atlas’ trove of recordings includes grizzly cubs purring, ice freezing and thousands of other elusive sounds. What sound does a frog make? If you say ribbit! you would be right. And wrong ...

Your piece on the Pacific chorus frog was a nice tribute to this amphibian survivor and its champions (HCN, 3/21/2011). Mention of its “ribbits” — only males call — deserves amplification. In 1951, ...

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Why are frogs thought to go ...