Ancient giant that never shrank: Study shows Anacondas have been massive for 12 million years The Times of IndiaRare Anaconda Fossils Reveal What the Giant Snakes Looked Like 12 Million Years Ago VICEWhy Anacondas Became So Huge–and Remain So Today Yahoo News UKAnacondas became massive 12 million years ago — and it worked so well, they haven’t changed size since MSN
