Tail fluke of a Humpback Whale.
A Humpback Whale rides an open ocean swell.
A mighty gulp:  a Humpback Whale lunge feeds on krill (Thysanoessa spinifera).
The very thick and beefy tail stock of a Humpback Whale.
The "hump" of a Humpback Whale.
A Humpback Whale kicks up its tail high in the air.
Tail fluke of a Humpback Whale.
Tail fluke of a Humpback Whale.
Tail fluke of a Humpback Whale.
See photo in original gallery.