Trail cameras captured grizzly bear chasing moose and her calves, then retreating when the mother charges it in a pond, Canada video shows.

One shows the bear attacking one of the calves as momma moose stands in the lake. The footage, which can be viewed here , might be disturbing to watch. RELATED: A fascinating look at a Yellowstone ...

Trail cameras captured grizzly bear chasing moose and her calves, then retreating when the mother charges it in a pond, Canada video shows.

Trail cameras captured grizzly bear chasing moose and her calves, then retreating when the mother charges it in a pond, Canada video shows.

Trail cameras captured grizzly bear chasing moose and her calves, then retreating when the mother charges it in a pond, Canada video shows.

It’s not until the third video that the bear realizes what a mistake it’s made. The mother moose seems to realize this as well. Now towering above the grizzly in the water, the moose turns ...