TY - RPRT TI - Social costs of group life: Larger groups have less affiliative behavior and more social conflict AU - Lerch, B. A. AU - Warutere, J. K. AU - Musembei, L. AU - Archie, E. A. AU - Tung, J. AU - Alberts, S. C. PY - 2026 DO - 10.64898/2026.11.10.765676 UR - https://www.biorxiv.org/content/10.64898/2026.11.10.765676v1 ID - 10.64898/2026.11.10.765676 ER -