# Black-capped chickadees (Poecile atricapillus) alter alarm call duration and peak frequency in response to traffic noise

> Research article (PLoS ONE, 2020) · cited 32× · AI/ML

**Wikidata**: [openalex:W3095171717](https://www.wikidata.org/wiki/openalex:W3095171717)  
**Source**: https://4ort.xyz/entity/black-capped-chickadees-poecile-atricapillus-alter-alarm-call-duration-and-peak-frequency-in-response-to-traffic-noise