This gorilla, who has somehow fallen into the sea off the Central African coast, is defending himself against a ravenous pack of bottle-nosed dolphins. I think he's doing pretty well so far, though both sides have taken bloody hits.

Their gentle and heroic image aside, bottle-nosed dolphins are predators and have been documented attacking and killing other animals (especially harbor porpoises) without apparent cause. So I can totally see them harassing a gorilla who was unlucky enough to fall into their territory.