When shooting brown bears at the mouth of a waterfall, they use different methods.

Using different shutter speeds to photograph a brown bear fishing at the mouth of a waterfall can show a completely different texture of the picture.
The high-speed shutter can capture the instant of salmon entrance and the aggressive spirit of crystal water bears with full granularity. It can also better leak sideways.
Slower shutter speeds can pull the water silky and smooth, and better show the trajectory of fish or seagulls.
The difficulty is that bears are dynamic predators, especially when the head is almost always moving, making it difficult to get a clear picture of the head at a slower shutter speed.
The following nine pictures disrupt the different shutter speeds and arrange them wisely. Can you see which one is the fastest and which one is the slowest?