# Phylogenetic signal in the vocalizations of vocal learning and vocal non-learning birds

> Research article (Philosophical Transactions of the Royal Society B Biological Sciences, 2021) · cited 39× · AI/ML

**Wikidata**: [openalex:W3197019001](https://www.wikidata.org/wiki/openalex:W3197019001)  
**Source**: https://4ort.xyz/entity/phylogenetic-signal-in-the-vocalizations-of-vocal-learning-and-vocal-non-learning-birds