In early 2000, I went TDY to Camp Astoria Oregon to help the OR National Guard prepare for a deployment to Bosnia. One morning, I went for a run along the beach and saw the head of a basking shark, about the size of an end table, washed up on shore. There was little doubt in my mind what had happened to the rest of it...
In San Diego out on Point Loma, on the Pacific side “tide poools,” I saw the skin of a seal floating against the shore. The skin was INSIDE OUT. My guess is an orca “flipped” it that way to skin the seal for better eating.