Eastern Box Turtles - Why Do They Have Hinged Shells?

Eastern Box turtles are so-named due to their abilitywhen it feels the need for more calcium.
to "box themselves in" completely in times of real orThe average life span of Eastern Box Turtles is 40
perceived danger or attack. They are able toyears; but, believe it or not, they can live for over
accomplish this thanks to a hinge on their lower shell100 years! Their age can be estimated by counting
(plastron), allowing the upper shell (carapace) andthe growth rings on their scutes. It is best to count
lower shell to completely accommodate the easternthe rings on the plastron, because this lower shell also
turtle's head, legs, and tail.permits examination of wear pattern. However,
Eastern Box Turtles are small, terrestrial turtles withcounting age beyond 20 years is unreliable, because
shell lengths between four to six inches. Thesebox turtles have stopped growing by then, and the
eastern turtles are the most popular among the boxplastron is usually worn smooth.
turtles. They are easily identified by their oval,Eastern Box Turtles, native to the eastern United
high-domed shells, normally dark brown with brilliantStates, can live either outdoors or in a large indoor
yellow, orange, and/or red blotches. Its plastron hasenclosure. If possible, you should think of setting up
dark areas, particularly on the borders of the scutes.an outdoor enclosure with sun, shade, grass, and a
They have brown skin with yellow or red markings.small pond of water that is deep enough for
The Eastern Box Turtles are omnivores, eatingswimming. The turtles will be happier and healthier
approximately 50% animal meat, such as slugs,under these circumstances. You must make sure to
earthworms, insects, snails, and carrion, and 50%provide adequate protection outdoors, to prevent
plant material, such as leafy vegetables, fruits,raccoons, dogs, or other predators from entering the
berries, and seeds. You should feed these turtles onenclosure.
a plain, flat rock, instead of serving their food in aUnlike other turtles, Eastern Box Turtles do not
bowl or dish. This natural approach will help restrainnormally bite when bothered. However, they will
the overgrowth of the turtle's beak and toenails, as itexert great effort to get free or retreat inside their
will gradually and continuously abrade them againstshells. They are capable of fastening down their shells
the rock while feeding. Provide food rich in calcium,so forcefully and completely that even a knife blade
such as boiled eggshells, which the turtle can chewcannot get in between the carapace and plastron.