Binky's primal, guttural roar was heard far and wide as he sunk ... It's not clear why she did this. The aggressive polar bear, who weighed 1,200lbs (544kg), already had a bad reputation, having ...

An emaciated polar bear searches for food on Baffin Island ... speculated that it could have some form of aggressive cancer. "It's not starving because the ice suddenly disappeared and it could ...