Many of us think of alligators only as scary predators, but just like every other animal they must reproduce, and that means finding a mate.

Male alligators put on extraordinary courtship displays to attract females. They make low-frequency sound that no human can hear, and they do it in such a way that the water droplets on their back start to dance.

In this clip from Super Senses, Helen Czerski reveals how they do it.