The humpback whale's tail is called a fluke.  Scientists record markings on flukes to track whale movements.

Humpback whale calves will stay with their mothers for about a year. It may be 2 years between mating.

Humpback whale watching is one of the biggest tourist attractions in the world.

Don't get near a humpback feeding or you could end up inside their mouth. But could they swallow you?

Humpback whales love throwing themselves out of the water. They are very playful creatures.

Humpbacks have been known to lie on their sides and wave to their audience.  

Humpbacks can make sounds up to170 decibels. The sperm whale is the loudest at 230 decibels. 

First sized bumps on a humpback whale's head or pectoral fins have one hair folicle and a bunch of nerves. 

Grooves on the underside of the humpback whale expand to alow more water and food to enter.