# Higher songs of city birds may not be an individual response to noise

> Research article (Proceedings of the Royal Society B Biological Sciences, 2017) · cited 67× · AI/ML

**Wikidata**: [openalex:W2743086296](https://www.wikidata.org/wiki/openalex:W2743086296)  
**Source**: https://4ort.xyz/entity/higher-songs-of-city-birds-may-not-be-an-individual-response-to-noise