# Unusual Avian Vocal Mechanism Facilitates Encoding of Body Size

> Research article (Physical Review Letters, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3010274109](https://www.wikidata.org/wiki/openalex:W3010274109)  
**Source**: https://4ort.xyz/entity/unusual-avian-vocal-mechanism-facilitates-encoding-of-body-size