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Key trends in California prehistory diverge from those characteristic of other world regions; sophisticated advances in the application of human behavioral ecology to archaeological interpretation help us to understand why. Significant interpretive advances have been stimulated by the on-going "provisioning" versus "costly signaling" debate. We argue that provisioning currently has the upper hand because the diet breadth model is older, better understood, and more easily assessed in light of archaeological data than is costly signaling. Archaeological research outside of California will need to confront issues of provisioning and prestige in their own empirical context and in light of behavioral ecology methods developed here. Las tendencias clave en la prehistoria de California se separan de esas caracteristicas en otras regiones del mundo; avances sofisticados en la aplicacion de la ecologia de la conducta humana a la interpretacion arqueologica nos ayudan a comprender por que. El debat...