When it comes to making noise, both parrots and humans rely on extremely specialized vibrating organs in their throats. Now scientists at Indiana University and Leiden University in the Netherlands have shown for the first time that parrots, like humans, also can use their tongues to craft and shape sound.
Parrots Talk
Resource Link: https://newsinfo.iu.edu/news/page/normal/1604.html
( Link may be down. We are checking into it. )