# Matching times of leading and following suggest cooperation through direct reciprocity during V-formation flight in ibis

> Research article (Proceedings of the National Academy of Sciences, 2015) · cited 186× · AI/ML

**Wikidata**: [openalex:W2101223494](https://www.wikidata.org/wiki/openalex:W2101223494)  
**Source**: https://4ort.xyz/entity/matching-times-of-leading-and-following-suggest-cooperation-through-direct-reciprocity-during-v-formation-flight-in-ibis