Sperm Whales Speak with a Complex Alphabet and Even Have 'Vowels,' Study Finds

The article is based on this study:

The phonology of sperm whale coda vowels - https://doi.org/10.1098/rspb.2025.2994

> In the present paper, we demonstrate that sperm whale codas not only resemble human vowels acoustically but also pattern like them along several linguistic dimensions.