The fluke of this humpback whale quietly submerged into a fairly calm sea.

A humpback whale dove and left a curtain of water trailing off of its fluke.

The name humpback whale derives from the hump visible when it surfaces.

Scars were visible on the back of this humpback whale.

In the distance, a humpback whale discharged seawater to clear its blow hole for breathing. The spray was made visible by the dark hills behind.

A whale barely broke the surface as it appeared nearby.

A whale dove with its flukes pointing straight up into the air.

A side view of flukes about to vanish under the water.

A whale surfaced between the two boats allowing the far boat to be used to judge the size of the whale.

A young humpback whale cleared its blow hole on the far side of its mother. A good picture to post on Mother's Day.