The mama grizzly, considerably uphill from her cub, is rooting around the brush when a small coyote approaches her cub. The cub is unaware of the coyote's presence at first, but when it becomes aware, it jumps in surprise, which the mother hears. All at once, she's tearing down the hill towards the coyote with an audible growl.
The coyote gets out of her way with all expediency, but the human witnesses are, you might say, shook. Finally, the bear notices them, at which point they wisely think it prudent to take their cue from the coyote.
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