Video shared on Facebook by Wild Love Images' Julie Argyle shows the clash in the Canadian Rockies and has been gaining traction online.
The footage captures the wolf snarling as the much larger grizzly defends the dead animal, underscoring the danger of close encounters with feeding predators.
The report frames the scene as a stark example of unpredictable wildlife behaviour in North America, where wolves rank among top predators but grizzlies can dominate them.
How is climate change altering the ancient rivalry between North America's top predators?
When can a wolf pack actually win a fight for food against a grizzly bear?
What hidden ecological rules, beyond brute force, decide who eats first in the wild?