I had the camera on burst mode or time lapse. I captured seven photos and here they are spliced together. This is a black bear running towards some tourists that got too close in Yellowstone. He stopped shortly after this and ran back to where he was eating.

Just Prior to bluff charge in Yellowstone

This is a still, colors brightened a little, just prior to the bluff charge. He is staring directly at the group of tourists and walking straight at them.