making a loud splash by forcefully slapping the flukes against the surface of the water.
The behavior of slapping the flukes at the surface of the water. Also called "tail-slapping".
Lobtailing is a cetacean activity in which the animal sticks its tail out of the water into the air, swings it around, and then slaps it on the water's surface. It makes a very loud sound. The meaning or purpose of lobtailing is unknown, but may be done as a warning to the rest of the pod. Humpbacks lobtail more when the seas are rough and stormy.
When the whale is at the surface of the water slapping it's flukes up and down.
Slapping the water repeatedly with the flukes.
Forceful slapping of the flukes against the water while most of the animal lies just under the surface. Also known as "tail-slapping".