How do you determine the age of a box turtle?

Answer

The easiest way to determine the age of a box turtle is to look at his plastron and count the rings on it. The plastron is the ventral, or abdominal, part of the animal's shell.

Each year, a turtle’s plastron grows a new layer, resulting in the appearance of rings, much like a tree's rings, on the creature's shell. The older a turtle gets, the harder it is to use this method to determine his age due to wear and tear on bottom of his shell. This method is highly accurate for turtles younger than 10 years old. Once a turtle reaches 20, the rings are partially worn off. By the time the turtle is 30 or 40, the rings are typically completely worn away. If the plastron rings are not visible, another way to determine a box turtle's age is to count the rings on the carapace (the top of the turtle's shell); however, these also wear away with time making it difficult to determine the age of older turtles with accuracy.

Q&A Related to "How do you determine the age of a box turtle?"
Land box turtles have unwebbed feet and range from four to seven inches in length. These turtles derive their name from the fact that their bottom shell or plastron is equipped with
http://www.ehow.com/info_10061372_tell-age-land-bo...
like a tree you count the rings on its back.
http://wiki.answers.com/Q/How_do_you_tell_a_age_of...
The age of a box turtle can be approximated by counting the rings on the
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Not sure about Box Turtles, try turtlebunker.com a great info site specializing in turtles & tortoises : ! Source(s) Owned by various ' Critters ' & one Sulcata Tortoise !
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If you want to know how to tell the age of a turtle, you'll have to guess. It is impossible to determine the age of a turtle, even by it's shell. It has no distinct ...
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