Macrowear and occlusal microwear on teeth of cave bears Ursus spelaeus and brown bears Ursus arctos: Inferences concerning diet

► Despite the abundance of cave bear remains little is known about their diet. ► We apply dental microwear analysis with scanning electron microscopy. ► We compare cave bear microwear with brown bear microwear. ► Cave bear diet includes tough food but not underground food items such as tubers. ► Cave bear diet does include animal matter such as bones.