20
4w
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Vowel- and Diphthong-Like Spectral Patterns in Sperm Whale Codas

https://pmc.ncbi.nlm.nih.gov/articles/PMC12594577/
Lvxferre [he/him] - 3w

Interesting. Now the next step is to analyse if they use those contours to convey meaning, and how. I wouldn't be surprised if they did, and in a rather different way than non-human primates use their vocalisations.

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