The Blanding’s turtle measures roughly 7 to 10 inches long. They are mostly dark to black, with a distinctive bright yellow chin and throat and yellow flecks along their upper shell, or carapace. A ...

It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective trick why turtles the world over have shells today? The answer is that ...