American Tortoise Rescue started World Turtle Day to encourage people to learn about and protect turtles and tortoises. The eastern box turtle offers a good look at what a shell can do.
Its lower shell has a hinge that lets it close up around its head and legs when threatened. The shell is also part of its skeleton, with ribs incorporated into the upper shell. If you spot a box turtle in the woods, take a moment to admire its pattern from a distance. Another turtle of the same species may look quite different.
About the observance
More about the featured species
https://www.nationalzoo.si.edu/conservation/news/box-turtles-are-vanishing-can-science-help-bring-them-back