Weighing 50kg and measuring the same size as a wolf, a mysterious species of giant otter roamed the earth 6 million years ago. Researchers have discovered a fossil of the giant otter in the shallow, swampy waters of southwest China's Yunnan province. This groundbreaking discovery now has scientists trying to understand other aspects of the life of the giant otter. The fossil was discovered by an international team of researchers, led by the Natural History Museum of Los Angeles County, while in the Yunnan province. (Photo/Xinhua)
