
LIVESCIENCE:"Whale watchers near the U.S.-Canada border recently witnessed a brutal mass brawl between more than a dozen aggressive orcas and a pair of defensive humpback whales. The intense confrontation, which lasted for several hours, included breaching, tail-slapping, biting flippers and loud vocalizations that could be heard from above the surface, according to reports. But it is unclear which species swam away victorious.
The cetacean showdown took place Sept. 29 in the Juan de Fuca Strait in the Salish Sea..."