Left half of a tail fluke...Humpback Whale (Megaptera novaeangliae) rolling around.
The ventral ("chin") side of this Gray Whale (Eschrichtius robustus) is visible as it performs a "half-breach."  Santa Barbara Harbor is in the background.
The head of a mighty Blue Whale (Balaenoptera musculus) is seen here just below the surface.
Tip of a tail fluke:   Humpback Whale (Megaptera novaengliae).
Left half of a tail fluke...Humpback Whale (Megaptera novaeangliae) rolling around.
Left half of a tail fluke...Humpback Whale (Megaptera novaeangliae) rolling around.
Left half of a tail fluke...Humpback Whale (Megaptera novaeangliae) rolling around.
See photo in original gallery.