A humpback whale’s tail (or fluke) rises from the water. Humpbacks are powerful swimmers, and they use their massive tail fin, called a fluke, to propel themselves through the water and sometimes completely out of it. These whales, like others, regularly “breach”. This is when the whales leap from the water before landing with a …
https://www.natgeokids.com/nz/discover/animals/sea-life/humpback-song/