From Animals to Animats 18

This book constitutes the refereed proceedings of the 18th International Conference on Simulation of Adaptive Behavior, SAB 2026, held in Irvine, CA, USA, during September 19-22, 2026.The 28 full papers included in this book were carefully reviewed and selected from 33 submissions. They were organized in topical sections as follows: Engineering Collective Intelligence; Modeling Collective Intelligence from Biology; Modeling Biological Behavior; The Effects of Physical and Social Constraints on Behavior; Learning and Skill Acquisition; Artificial Perception, Navigation, and Manipulation.