# Warning signals are under positive frequency-dependent selection in nature

> Research article (Proceedings of the National Academy of Sciences, 2016) · cited 190× · AI/ML

**Wikidata**: [openalex:W2272536848](https://www.wikidata.org/wiki/openalex:W2272536848)  
**Source**: https://4ort.xyz/entity/warning-signals-are-under-positive-frequency-dependent-selection-in-nature