A University of Cambridge-led team has analyzed giant anaconda fossils from South America to deduce that these tropical snakes reached their maximum size 12.4 million years ago and have remained ...

Add Yahoo as a preferred source to see more of our stories on Google. A study of anaconda fossils shows that these snakes reached their maximum size 12.4 million years ago and then stopped growing. As ...

Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went ...

Anacondas have been giants of the animal world for over 12 million years, reveals new research. Analysis of fossils from South America shows that the tropical snakes reached their maximum size 12.4 ...

Snakes come in all sizes today, from tiny thread snakes no longer than a pencil to green anacondas that rival small cars in length. You already know the anaconda as one of nature’s heavyweights.

During the Middle to Upper Miocene period (12.4 to 5.3 million years ago), giant animals walked—and slithered—the Earth thanks to warmer temperatures, larger wetlands, and greater amounts of food.