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 ...

Researchers have discovered seven new species of frogs in Madagascar and say the high-pitched whistling calls they make are ...

It's a small critter, but it's spawning a national movement. (Sound of frog call) With more than 240 species in Australia, each with a unique call, chief scientist Dr Jodi Rowley has helped ...