# The evolution of parental cooperation in birds

> Research article (Proceedings of the National Academy of Sciences, 2015) · cited 90× · AI/ML

**Wikidata**: [openalex:W1900411567](https://www.wikidata.org/wiki/openalex:W1900411567)  
**Source**: https://4ort.xyz/entity/the-evolution-of-parental-cooperation-in-birds