Sperm Whale Clicks Could Hide a Surprisingly Complex 'Alphabet'
https://www.sciencealert.com/sperm-whale-clicks-could-hide-a-surprisingly-complex-alphabet #whales #communication #vocalizations #codas #rubato #ornamentation

Vowels and Diphthongs in Sperm Whales.
https://doi.org/10.31219/osf.io/285c
"…We present a visualization technique that allows us to describe several previously unobserved patterns. We argue that sperm whale codas are on many levels analogous to human vowels and diphthongs: vowel duration and pitch correspond to the number of clicks and their timing…whales have diphthongal patterns on individual #codas: rising, falling, rising-falling and falling-rising formant patterns are observed…"