Due to his impressive size and reputation, a 600lb male grizzly bear roaming around a Canadian national park has earned the nickname The Boss. The massive grizzly bear is thought to be around 20 years old and is widely regarded as the largest and toughest bear in Banff National Park. The Boss, officially known as the slightly less impressive Bear 122, has also been known … [Read more...] about The World’s Toughest Bear, Dubbed “The Boss,” Survived Being Hit By a Train and Fathered 70% of The Cubs in His Region