In the pantheon of predators, it's one of the greatest discoveries since the T-Rex: a snake 48 feet long, weighing in at 2,500 pounds. Uncovered from a treasure trove of fossils in a Colombian coal mine, this serpent is revealing a lost world of giant creatures.
Video on Smithsonian website (1:32)
Youtube Video (53min) not sure why the difference in time haven't watched both to find out.
How Titanoboa, the 40 foot long snake, was found.