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Sexing Box Turtles
Transcript of Sexing Box Turtles
Traits to look For:
1. Color on the face/forelegs
2. Eye color
3. Claws on hind foot
4.Shape of plastron
5. Shape of overall carapace
6. Tail length
7. Marginal Scutes
Due to variability of sex characteristics in box turtles, these traits are not always reliable for sex determination.
If unsure about the sex of a turtle, do not hesitate to mark "Unknown" (UK) on the data sheet.
Color on Face or Forelegs
and Eye Coloring
Bright yellow/orange/red coloring
Usually bright red eyes
Claws on Hind Foot
Hind claws used to hold onto female during mating
Shape of Carapace
What is a carapace?
A carapace is the hard dorsal (top) shell of the turtle.
Can you count the carapaces?
More curved, producing a larger and higher dome.
Less curved, producing a smaller, lower dome.
Shape of Plastron
What is a plastron?
A plastron is the hard ventral (bottom) shell on a turtle.
Vent is located above the edge of the carapace.
under-edge of carapace
Vent is located below the edge of the carapace.
Under-edge of carapace
Posterior marginal scutes not flared
Posterior Marginal Scutes Flared
CANNOT DETERMINE SEX OF JUVENILES!
Looking at the shape of the carapace,
Which is the female?
Which is the male?
Looking at eye and body coloring,
Is this a male or female?
Can you determine the sex of these hatchling box turtles?
The section of the plastron posterior to the hinge is flatter with minimal to no indentation
Section of the plastron posterior to the hinge is characterized by a circular indentation used to stabilize the male during copulation.
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