In a shocking incident, a female brown bear and a male bear were seen fighting. The two adult bears were fighting atop Spain's Cantabrian Mountain, home to nearly 350 bears, reported BBC. The video of the fight has gone viral on social media. In the video, the two adult bears, while fighting, fall over the edge and crash down the rocky hillside. The male bear died of injuries. The mother bear was separated from her cub. As reported by Reuters, Spanish rangers found the female bear and her cub alive deep in their burrow. Watch the video to know more.