box turtle

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box turtle,

hard-shelled land turtleturtle,
a reptile of the order Chelonia, with strong, beaked, toothless jaws and, usually, an armorlike shell. The shell normally consists of bony plates overlaid with horny shields.
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 of the genus Terrapene, native to North America. Its lower shell, or plastron, has a hinge dividing it into front and rear sections; the animal can raise these sections to meet the upper shell, or carapacecarapace
, shield, or shell covering, found over all or part of the anterior dorsal portion of an animal. In lobsters, shrimps, crayfish, and crabs, the carapace is the part of the exoskeleton that covers the head and thorax and protects the dorsal and lateral surfaces.
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, forming a secure box around its body. It is primarily a vegetarian, although it also eats insects, earthworms, and slugs. The box turtle hibernates during cold winters and mates in the spring. In summer the female buries from two to seven eggs, which hatch out in the early fall. The young often remain in the nest until the following spring. The Eastern box turtle, Terrapene carolina, is a woodland species found in the eastern and central United States. The Western species, T. ornata, is found in the grasslands of the central United States and northern Mexico. There are also several rare Mexican species. Box turtles are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Reptilia, order Chelonia, family Emydidae.
References in periodicals archive ?
Genetic effects of a persistent bottleneck on a natural population of ornate box turtles (Terrapene ornata).
Annoyed at being poked by its 8-year-old owner, a box turtle named Boxer clamped its top and bottom shells together on the boy's finger and wouldn't let go.
The yellow-margined box turtle, a terrestrial species, is considered critically endangered in mainland China due to habitat loss and over-collection, while the Taiwanese population has also declined in recent decades for similar reasons.
the two Malaysian box turtles are one of the new attractions at the Sea Life Centre.
The purpose of our study was to compare diversity and abundance of seeds in the digestive tract of two species of box turtles, T.
When they noticed one of their Labs consistently retrieving box turtles on their 40 acres, they began marking the turtles, trained the Labs to retrieve them and did a study that ranks as the most definitive ever done of the animal.
The tiny six-week-old Vietnamese box turtle, a critically endangered species, weighs just half an ounce.
The mainland China population of the yellow-margined box turtle, a terrestrial species, is considered critically endangered due to habitat loss and over-collection, while the Taiwanese population has also declined in recent decades due to expansion of agricultural lands and illegal collecting.
Box turtles (one is shown in Figure 3) have a very strong homing instinct, and they exhibit strong territorial behavior.
Philippine Wildlife Bureau head Mundita Lim says the pond turtles were confiscated at the Hong Kong airport in February from a Chinese student, along with 13 more common box turtles.
Other animals that show increased reproduction with age include corals, sturgeons, and box turtles.