Anacondas became massive 12 million years ago — and it worked so well, they haven't changed size since - Live Science

Anacondas became massive 12 million years ago — and it worked so well, they haven't changed size since  Live ScienceFossils from Venezuela Reveal Early Origin of Gigantism in Anacondas  Sci.NewsRare Anaconda Fossils Reveal What the Giant Snakes Looked Like 12 Million Years Ago  VICEBones of giant anacondas found in Venezuela. Here's what scientists discovered when they pieced them together  BBC Wildlife MagazineAnacondas Are the Rare Prehistoric Gian