Anacondas became massive 12 million years ago — and it worked so well, they haven't changed size since
Anacondas became massive 12 million years ago — and it worked so well, they haven't changed size since
www.livescience.com /animals/snakes/anacondas-became-massive-12-million-years-ago-and-it-worked-so-well-they-havent-changed-size-since