Eliezer Costi

(Current Biology 31, 486–501.e1–e3; February 8, 2021) As a result of an author oversight in the originally published version of this article, an error was introduced in the author list. The name Jennifer I.C. Benichou was mistakenly written as Jennifer Benishou. This error has now been corrected online. Article Info Identification DOI: https://doi.org/10.1016/j.cub.2020.11.036 Copyright © 2020 Elsevier Inc.

Highlights • A new framework enables comprehensive representation of interaction in groups • Social enrichment promotes distinct social networks and behavioral variability • Group structure depends on visual and pheromonal cues • Genetically heterogenic groups show emergent structure beyond the sum of its parts Summary Living in a group creates a complex and dynamic environment in which behavior of individuals is influenced by and affects the behavior of others.