# Wild hummingbirds discriminate nonspectral colors

> Research article (Proceedings of the National Academy of Sciences, 2020) · cited 73× · AI/ML

**Wikidata**: [openalex:W3034809900](https://www.wikidata.org/wiki/openalex:W3034809900)  
**Source**: https://4ort.xyz/entity/wild-hummingbirds-discriminate-nonspectral-colors