# Ground-hornbills (Bucorvus) show means-end understanding in a horizontal two-string discrimination task

> Research article (Journal of Ethology, 2018) · cited 19× · AI/ML

**Wikidata**: [openalex:W2898936015](https://www.wikidata.org/wiki/openalex:W2898936015)  
**Source**: https://4ort.xyz/entity/ground-hornbills-bucorvus-show-means-end-understanding-in-a-horizontal-two-string-discrimination-task