Dental Wear Evidence for browsing and Grazing Dietary traits in the Giant Deer from the Late Pleistocene of central Europe

Abstract

The paleoecology of the giant deer (Megaloceros giganteus), including its dietary preferences, is poorly known, mainly because reconstructions based on morphological characteristics have produced contradictory results. In this study, we propose to reconstruct the diet of the giant deer from five archaeological sites located in Southern Germany and the Harz Mountains using microwear and mesowear analyses. We also include the results of a review of tooth wear data published during the past decade for ten localities in Europe. The objective is to provide a large- scale vision of the diet of the giant deer and to analyse the spatial and temporal diversity of its dietary habits. According to our results, the dietary traits of the giant deer were found to range from leaf browsing to grass-dominated mixed feeding, depending on the vegetation available regionally and seasonally. The combination of the two proxies, mesowear and microwear, al- lowed us to characterize the dietary flexibility of the giant deer. Finally, we discuss the causes of its extirpation and conclude that its extinction was not likely driven by a narrow dietary niche.