A pod of Eastern Tropical Pacific orca whales, otherwise known as killer whales, made a surprise appearance off Point Vincente where onlookers watched as a few orcas hunted a southbound gray whale.
The northern Pacific near Japan and Russia is home to several different groups of orcas yet they never interact, hunt different prey, communicate in distinct dialects, and avoid mating with one another. How can this be when they live so close to each other and belong to the same species? Whale ex