It's unknown for certain what causes these common dolphins to stampede.

Have you ever seen a dolphin stampede? Here's a glimpse of what occurred off the coast Dana Point, California this afternoon. It's pretty incredible to experience

Dolphins suddenly coming out of nowhere! They were so close that we could almost reach over & touched them.

Dolphin stampedes occur when the animals porpoise out of the water at a high rate of speed.

Porpoising is the fastest mode of travel for dolphins because there is less resistance in the air than in water. It's unknown for certain what causes these common dolphins to stampede.

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