Earth Massive Tunnels Found In The Jungle Were Actually Created By A Chilling Prehistoric Creature - Earth.com

Conservationists needed to gain a better understanding of the genetic makeup of different American crocodile populations in order to boost their numbers. And that’s where the team at the University of Bristol came in. They studied DNA belonging to specimens from seven different countries and were consequently able to identify variations between regions. Photo Credit: Mark Kostich/Getty Images

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