The blue whale is the biggest mammal ever to live – up to 98 feet in length ... This was a massive, hornless rhino with a long neck like a giraffe. It lived primarily in Asia, China, Mongolia ...

Blue whales are the biggest animals ever, not just now—ever ... It lived in Asia and stood as tall as a giraffe. It weighed about 20 tons, which is like four elephants stacked together.