Paleontologists have discovered a set of ancient bear footprints in Honseca Cave, northern Spain. Although distinguishing cave bear from brown bear tracks is complex, cave bears are considered the most likely tracemakers in Honseca. Cave bear footprints in Honseca Cave, Spain. Image credit: Rodríguez et al., doi: 10.1080/10420940.2024.2446153. Cave bears (Ursus spelaeus) were a very large type of bear that formed the sister lineage of living brown...