Stunning viral footage shows a grizzly bear fighting a wolf over the remains of a dead animal in a river, proving size matters in the wild kingdom.

"Something that doesn't usually happen CAN happen," one commenter wrote.

Add Yahoo as a preferred source to see more of our stories on Google. Grizzly bears are known to displace wolves from food sources and claim the meat for themselves. But it doesn’t always work that ...

"Monster Wolf" is an animatronic scarecrow with flashing red eyes that howls and growls menacingly to scare away wild animals.

Japan has deployed a pack of robot wolves to battle the country’s record surge in bear attacks on humans. The devices, known ...