# Orangutans modify facial displays depending on recipient attention

> Research article (PeerJ, 2015) · cited 70× · AI/ML

**Wikidata**: [openalex:W2054623058](https://www.wikidata.org/wiki/openalex:W2054623058)  
**Source**: https://4ort.xyz/entity/orangutans-modify-facial-displays-depending-on-recipient-attention