And in winter lots of seaducks and diving birds use the bay.

Copepteryx was a diving plotopterid bird which is similar to the Waimanu.

About a mile from the lighthouse, the sky was dark with diving birds.

The techniques of diving birds, such as the gannet or the peregrine falcon, are shown.

Sea otters and diving birds, which live throughout the Sound, were the first casualties to attract notice, partly because they are the most vulnerable.

Instead, it is known for the small diving birds, called terns.

The emperor penguin is the world's largest extant diving bird.

But the huge diving bird was going too fast to stop.

This effect is predominantly seen in shallow diving birds as buoyancy effects are strongest.

A challenge for any diving bird is the change in refraction between air and water.