This helps dolphins swim through the sea water at high speed.

The dolphins swam into the dining room every evening, just before sunset.

They were the color of the deep blue sea and Gillian half expected to see dolphins swimming in their depths.

Whales and dolphins have been swimming through the headlines a lot lately.

Why can the dolphin swim at 80 kilometers per hour?

The dolphin swam back for another look at him.

To watch for predators, dolphins swim in circles while they sleep, and keep the eye on the outside of the circle open.

Far below, Julius saw the dark shapes of dolphins swimming around the ship in the bay.

A dolphin was swimming close in, occasionally leaping above the waves.

The shoals were at least fifty meters out, where the dolphins had been swimming.