When the Earth Started to Sing – David G. Haskell
Emergence Magazine Podcast
00:00
Frogs and Reptiles - A Song of the Frog
All land vertebrates have a larynx, the muscular top end of the windpipe. Frogs turned this protective valve into a singing reed about 200 million years ago. The amphibians' scaly-skinned cousins, reptiles, later also modified the larynx to make sounds. Turples call with tonal or wheezy pulses during breeding and crocodile youngsters chirp at their mothers.
Transcript
Play full episode
