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Article #7: Common Turtle Species

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Turtle Species oceans of the world. Populations are
Turtles are cold-blooded reptiles. They endangered or threatened everywhere.
have a shell making them unique from The Blanding's turtle is a northern
other reptiles. Their upper shell is turtle that has a black carapace with tan
called the carapace, and a lower shell to yellow spots on the scutes. Its
that protects the belly called the species name is Emydoidea blandingii.
plastron. The carapace and plastron shape Sometimes this turtle is confused with
and color varies from species to species. the box turtle because of similar
One might think it would at least always appearances.
be a hard shell, which also is untrue. This turtle lives in clean, shallow
There are softshell turtle species, along water habitats. They like abundant
with many others. aquatic vegetation, and firm aquatic
Some turtle species include Clemmys bottoms in ponds, lakes, marshes, and
insculpta which is the wood turtle; creeks. However, preferences in habitat
Geochelone sulcata which is the African can change seasonally and by location. In
Spurred tortoise; Chelonia mydas which is Wisconsin, the Blanding's turtle prefers
the green turtle; Emydoidea blandingii marshes over ponds, which is just a
which is the Blanding's turtle; Clemmys location preference. Turtles elsewhere
guttata which is the spotted turtle; may choose a pond over a marsh.
Malaclemys terrapin which is the This turtle nests once a year usually
diamondback terrapin; and Trachemys s. from late-May to early July during the
elegans which is the red-eared slider. night. However, not every female nests
The species name for the wood turtle is every year.
Clemmys insculpta. This turtle is the The common name for Clemmys guttata is
largest in its genus. The carapace has the spotted turtle. This is a small,
raised projections on the back that black turtle that has a pattern on its
resemble a small pyramid, making it smooth carapace with small yellow spots.
different from others in the Clemmys Over time the spots may fade, making
genus. older turtles appear spotless.
The wood turtle is omnivorous and eats Male spotted turtles tend to have tan
things like algae, moss, blueberries, chins with brown eyes differing from the
mollusks, insects, earthworms, and mice. females who tend to have yellow chins and
Typically adult males are larger than orange eyes.
adult females, but not by a whole lot. These turtles live in areas that are
The species name for the African Spurred shallow wetlands. This can consist of
tortoise is Geochelone sulcata. The swamps, bogs, fens, and marshes, but not
African Spurred Tortoise is the only confined to just these areas.
tortoise in the world that has adapted Spotted turtles are active during they
fully for terrestrial life. The turtle is day for the most part, meaning they are
famous for digging burrows to protect diurnal. However, females are active at
itself from predators and the night while they are nesting.
temperature. This turtle can go weeks Spotted turtles are preyed upon by bald
without food or water. When the turtle eagles, skunks, and raccoons.
does get a chance to drink water though, The species name for the Diamondback
it can drink up to 15% of its body Terrapin is Malaclemys terrapin. This
weight. turtle is a small to medium size turtle
The species name for the green turtle is which feeds on sponges, bryozoans,
Chelonia mydas. Adult green turtles have gastropods, crabs, carrion, and plant
a different diet than juvenile green material.
turtles. Adults are herbivores eating They have a hingeless plastron which can
plants and juveniles are carnivores be yellow to green or black, and an
eating meat. Adults usually spend their oblong carapace is gray, light brown or
time in patches of sea grass and algae to black. They can be found in estuaries and
get their food, while juveniles spend salt marshes.
their time among the coral reef. Adults Nesting for these turtles is different
preferred food is young leaves and roots from a majority of turtles because it is
of sea vegetation. Juveniles eat animals during the day. Most turtles tend to nest
such as jellyfish, sponges, snails, during the night. High tide is the most
bivalves, and others. usual time for this particular turtle to
This turtle is a medium to large sea nest.
turtle that has a broad, low, The red-eared slider is native to the
heart-shaped carapace. United States. It is commonly found in
Most of their lives are spent in the the Southern regions. The species name
water but females return to the land to for it is Trachemys s. elegans.
lay their eggs. The eggs take about two When the red-eared slider is young it is
months to incubate, and then hatch. As carnivorous, but as it ages they become
most turtles are, green turtles possess more vegetarian. They are a medium size
environmental sex determination. and have a dark green oval shell. Their
Temperature of the nest determines the legs are green with think yellow stripes.
sex of the hatchling. Warmer temperatures The head is also green, but it has a red
produce females, and cooler temperatures stripe behind the eye.
produce males. These turtles are found in most
Green turtles are found throughout the permanent slow-moving bodies of water.






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