Moby Dick speaks (has vowels)

Previously it was thought that mostly the number of clicks and their timing matters.

We identify two discrete patterns that we call the a-vowel and the i-vowel. We also observe clear trajectories in formant frequency that we call diphthongs. pic.twitter.com/2zPrKE193f

— Gašper Beguš (@begusgasper) December 5, 2023