# Guppies learn faster to discriminate between red and yellow than between two shapes

> Research article (Ethology, 2018) · cited 33× · AI/ML

**Wikidata**: [openalex:W2904954697](https://www.wikidata.org/wiki/openalex:W2904954697)  
**Source**: https://4ort.xyz/entity/guppies-learn-faster-to-discriminate-between-red-and-yellow-than-between-two-shapes