Complex sentence: The name short-faced bear derives from the shape of their skulls, which appear to have a disproportionately short snout compared to other bears; this characteristic is also shared by its extant relative the spectacled bear.
Split into simpler sentences: The name short-faced bear derives from the shape of their skulls, which appear to have a disproportionately short snout compared to other bears. This characteristic is also shared by its extant relative the spectacled bear.