They also seem to detect prey by the sound of their approaching flight.

Even in an environment where they cannot see, the sharks can feel these electrical impulses and detect prey.

There are a variety of methods used to detect prey.

The siphons are also used to detect prey from a distance.

Everything about it is designed for detecting and capturing prey in the darkest night.

In the low light conditions it is assumed the fish detects prey by its silhouette.

It has visual sensors at the end of each ray that can detect light and note prey.

They use their bills to detect prey and to help them navigate in murky water.

We have detected prey on the far side of the system.

To detect prey on land, they may have lowered their heads to the ground and felt for vibrations.