More than sixty contributions in From Animals to Animats2 by researchers in ethology, ecology, cybernetics, artificial intelligence, robotics, and related fields investigate behaviors and the underlying mechanisms that allow animals and, potentially, robots to adapt and survive in uncertain environments. Jean-Arcady Meyer is Director of Research, CNRS, Paris. Herbert L. Roitblat is Professor of Psychology at the University of Hawaii at Manoa. Stewart W. Wilson is a scientist at The Rowland Institute for Science, Cambridge, Massachusetts.