Diverse fossils From La Brea Tar Pits tell story of how horses, saber-toothed cats, dire wolves, and other megafauna that once roamed the Los Angeles Basin disappeared.
Fossils from La Brea Tar Pits in Southern California suggest that sabertooth cats and other large North American mammals disappeared as a result of wildfires spurred by human activity.
Large-scale fires helped wipe out saber-toothed cats, dire wolves and other large mammals in Southern California, according to La Brea Tar Pits researchers.