Where did turtles come from? And how did the they get their shells? The answers to these questions would eventually cause scientists to rethink the entire history of reptile evolution. | Eons • PBS

How the Turtle Got Its Shell 🐢 | Eons • PBS

Half of the turtle species on Earth are threatened with extinction. On World Turtle Day, let's recognize these special animals and the vital role they play in our planet's ecosystems. | National Geographic