A complete tusk believed to belong to a prehistoric mammoth was uncovered on Santa Cruz Island off the Southern California coast, researchers reported Tuesday. If the discovery is confirmed, it would mean the tusked beasts roamed 62,000-acre Santa Cruz Island more widely than previously thought. A graduate student at the University of California, Santa Barbara, came across the tusk while working in a canyon on the island's remote north shore earlier this month. Nearby were several rib... Full Story
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