The signature scars on this Humpback whale's (Megaptera novaeangliae) tail flukes show a variety of patterns including what may be the rake marks from the teeth of an Orca.
From 2013 11-10 SB Channel-East
The back of a gray whale (Eschrichtius robustus) with a distinctive rake-like scar that may have come from a killer whale (Orcinus orca) attack.
From 2013 04-04 SB Coast
Close look at a Humpback Whale (Megaptera novaeangliae) as it heads at the camera. Propeller scars can be seen across its back.
From 2011 06-27 SB Channel
Image 2 of 4: A mighty Humpback Whale tail fluke waterfall.
From 2010 09-11 SB Channel
Image 1 of 4: A mighty Humpback Whale begins a deep dive by arching its back. Deep scars can be seen along the dorsal ridge of the caudal peduncle, most likely from entanglement.
Image one of two tail fluke shots of this Gray Whale (Eschrichtius robustus) which show infected and encircling wounds plus scarring around the tail. The Condor Express crew have theorized that this was caused by an entanglement.
From 2010 03-31 SB Coast
Image two of two tail fluke shots of this Gray Whale (Eschrichtius robustus) which show infected and encircling wounds plus scarring around the tail from an entanglement episode.
Here's an interesting scar pattern on the back of a Humpback Whale (Megaptera novaengliae)...probably the result of being cut by a boat propeller.
From 2009 06-25 SB Channel