Off Patagonia, Chile, 337 whales were found dead, in the largest whale beaching ever recorded. According to National Geographic, the animals were most likely sei whales, and it’s not yet clear to scientists what caused the mass die-off. sei whales are “great whales” in the baleen family. They can reach 60 feet long and weigh in at 100,000 pounds. The great sea creatures are considered endangered throughout their range, which includes temperate waters in the Atlantic, Pacific and Indian Oceans.
— source discovery.com