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The use of body size as an index of prey rank in zooarchaeology has fostered a widely applied approach to understanding variability in foraging efficiency. This approach has, however, been critiqued—most recently by the suggestion that large prey have high probabilities of failed pursuits. Here, we clarify the logic and history of using body size as a measure of prey rank and summarize empirical data on the body size-return rate relationship. With few exceptions, these data document strong positive relationships between prey size and return rate. We then illustrate, with studies from the Great Basin, the utility of body size-based abundance indices (e.g., the Artiodactyl Index) when used as one component of multidimensional analyses of prehistoric diet breadth. We use foraging theory to derive predictions about Holocene variability in diet breadth and test those predictions using the Artiodactyl Index and over a dozen other archaeological indices. The results indicate close fits between the predictions and the data and thus support the use of body size-based abundance indices as measures of foraging efficiency. These conclusions have implications for reconstructions of Holocene trends in large game hunting in western North America and for zooarchaeological applications of foraging theory in general.

In a recent paper in American Antiquity (2002:231-256), Hildebrandt and McGuire argue that archaeofaunal patterns in California document an ascendance of artiodactyl hunting during the Middle Archaic. They also suggest that such a trend is inconsistent with predictions derived from optimal-foraging models. Given the apparent failure of foraging theory, they advance a “showing off” model of large-game hunting. While their presentation is intriguing, we do not see a theoretical warrant for predicting that show-off hunting would have increased during the Middle Archaic. We present here an alternative hypothesis for the increase in artiodactyl abundances and the hunting-related patterns they identify. That hypothesis follows directly from the prey model itself under what appears to have been a dramatic artiodactyl population expansion after the drought-dominated middle Holocene period.

A number of researchers have shown that the abundance, diversity, and size of prey consumed or displayed at a feast can be used by elites to solidify and/or aggrandize their social position. Expectations for archaeological signatures of elite feasting—derived from ethnographic studies, archaeological research, and ecological theory—are used to assess the archaeofaunal record from selected contexts of the Marana platform mound site, located in southern Arizona. The magnitude of work conducted in the region provides a unique opportunity to address the importance of feasting as a mechanism of power consolidation among Hohokam elites. Here, we examine a hypothesized locus of elite feasting among the Classic period Hohokam (ca. A.D. 1250). A relatively high concentration of animal bone derived from a burned room adjacent to the Marana platform mound was first thought to represent debris from elite feasting. Analysis reveals a proportionate taxonomic profile that is similar to the remainder of the community and an overwhelming abundance of small game relative to large prey. Neither situation is consistent with elite feasting expectations. These results argue for a form of feasting among non-elites that likely served to promote intragroup solidarity or political support within the community.

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