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Slider turtles are probably the most popular species of water turtles kept in the world. Baby slider turtles for sale are cheap, easy to care for, and quite inquisitive. Red eared slider turtles, the most popular are available in quite a few slider turtle morphs for sale. Albino slider turtles are a result of a missing pigment gene. Turtles need a minimum 30-gallon size aquarium with a screened top. Their habitat should include mostly water, plus a bit of land for basking. Turtles eat a combination of vegetables, turtle food and, depending on the species, insects. The first try, we followed the instructions exactly. We ended up with rock hard turtles and sore teeth. Then we tried melting the 30 hershey's caramels with one tablespoon of water in the microwave for one minute, then stirred, put back in microwave for thirty more seconds. Turtles are reptiles of the order Chelonii or Testudines and are characterised by a special bony shell which is developed from their ribs and acts as a shield against predators. Turtles date back around 220 million years making it one of the oldest reptile groups, older than lizards, snakes or crocodiles. Jan 21, 2020 Turtles have a deep evolutionary history that extends to a few million years before the Mesozoic Era, better known as the Age of Dinosaurs. The earliest identified Testudine ancestor is a foot-long lizard called Eunotosaurus, which lived in the swamps of Africa 260 million years ago.

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New York State Amphibian and Reptile Atlas Project

Turtles

The species distribution maps show the known range of each species found in New York. This information is gathered from the Amphibian and Reptile Atlas Project from 1990-1999. In a few cases, new locations are noted on the maps with additional reports that were gathered up to 2007. Data from the Atlas should be carefully considered before used for environmental review purposes.

Each colored block represents one 1:24,000 scale or 7.5-minute topographic quadrangle. There are 979 atlas blocks (topographic quadrangles) in the state.

Pullouts from the Conservationist:

Turtles of New York
Common Name
(links go to distribution maps)
Scientific Name
Common Snapping TurtleChelydra s. serpentina
Common Musk TurtleSternotherus odoratus
Eastern Mud TurtleKinosternon s. subrubrum
Spotted TurtleClemmys guttata
Bog TurtleClemmys muhlenbergii
Wood TurtleClemmys insculpta
Eastern Box TurtleTerrapene c. carolina
Northern Diamondback TerrapinMalaclemys t. terrapin
Eastern Redbelly TurtlePseudemys rubriventris
Common Map TurtleGraptemys geographica
Yellowbelly SliderTrachemys s. scripta
Red-eared SliderTrachemys scripta elegans
Painted TurtleChrysemys picta
Blanding's TurtleEmydoidea blandingii
Green Sea TurtleChelonia mydas
Atlantic HawksbillEretmochelys i. imbricata
LoggerheadCaretta caretta
Atlantic RidleyLepidochelys kempii
LeatherbackDermochelys coriacea
Eastern Spiny SoftshellApalone s. spinifera

Webpages

More about Species of Turtles Found in New York:

  • Common Snapping Turtle Distribution Map - Herp Atlas map for the Common Snapping Turtle
  • Common Musk Turtle Distribution Map - Herp Atlas map for the Common Musk Turtle
  • Eastern Mud Turtle Distribution Map - Herp Atlas map for the Eastern Mud Turtle
  • Spotted Turtle Distribution Map - Herp Atlas map for Spotted Turtle
  • Bog Turtle Distribution Map - Herp Atlas map for the Bog Turtle
  • Wood Turtle Distribution Map - Herp Atlas map for the Wood Turtle
  • Eastern Box Turtle Distribution Map - Herp Atlas map for the Eastern Box Turtle
  • Northern Diamondback Terrapin Distribution Map - Herp Atlas map for the Northern Diamondback Terrapin
  • Eastern Redbelly Turtle Distribution Map - Herp Atlas map for the Eastern Redbelly
  • Common Map Turtle Distribution Map - Herp Atlas map for the Common Map Turtle
  • Yellowbelly Slider Distribution Map - Herp Atlas map for Yellowbelly Silder distribution
  • Red-eared Slider Distribution Map - Herp Atlas map for Red-eared Slider
  • Painted Turtle Distribution Map - Herp Atlas map for Painted Turtle
  • Blanding's Turtle Distribution Map - Herp Atlas map for Blanding's Turtle
  • Green Sea Turtle Distribution Map - Herp Atlas map for Green Turtles
  • Loggerhead Sea Turtle Distribution Map - Herp Atlas map for Loggerhead
  • Atlantic (Kemp's) Ridley Distribution Map - Herp Atlas map for Atlantic Ridley
  • Leatherback Sea Turtle Distribution Map - Herp Atlas map for Leatherback Turtles
  • Eastern Spiny Softshell Distribution Map - Herp Atlas map for Eastern Spiny Softshell Turtles
Turtles
Turtle
  • Natural history
    • Reproduction
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Articles from Britannica Encyclopedias for elementary and high school students.
George R. Zug
Curator Emeritus, Division of Amphibians and Reptiles, National Museum of Natural History, Smithsonian Institution, Washington, D.C.
Alternative Titles: Chelonia, Testudines

Turtle, (order Testudines), any reptile with a body encased in a bony shell, including tortoises. Although numerous animals, from invertebrates to mammals, have evolved shells, none has an architecture like that of turtles. The turtle shell has a top (carapace) and a bottom (plastron). The carapace and plastron are bony structures that usually join one another along each side of the body, creating a rigid skeletal box. This box, composed of bone and cartilage, is retained throughout the turtle’s life. Because the shell is an integral part of the body, the turtle cannot exit it, nor is the shell shed like the skin of some other reptiles.

Turtle or Tortoise?
Let’s get this out of the way first: all tortoises are turtles. They’re all in the order Testudines. But not all turtles are tortoises. How can you spot the tortoises? Take this quiz and find out.

There are approximately 356 species of turtles living on land in all continents except Antarctica and in both saltwater and fresh water. Tortoises (family Testudinidae) live exclusively on land and have anatomic features distinguishing them from other turtles, but the term tortoise has long been used to refer to other terrestrial testudines as well, such as the box turtle and the wood turtle. Similarly, terrapin was sometimes used to describe any aquatic turtle but is now largely restricted to the edible diamondback terrapin (Malaclemys terrapin) of the eastern United States.

Despite turtles’ broad distribution, there are not and never seem to have been a great many species of turtles at any time over the course of their long evolutionary history. The small number of species, however, does not equate to a lack of diversity. There are turtles with carapace lengths (the standard way to measure turtles) of less than 10 cm (4 inches), as in the flattened musk turtle (Sternotherus depressus), and of more than 1.5 metres (4.9 feet), as in the leatherbacksea turtle (Dermochelys coriacea). Some species live in seasonally cold climates with growing seasons of only about three months; others live in the tropics and grow year-round. Some tortoises rarely see water, while other turtles spend virtually their entire lives in it, be it in a single small pond or traveling the vast open ocean.

Game 104: june 24 2016 the initials games. Both common and rare turtles are kept as pets. In the Western Hemisphere, pond turtles such as the red-eared slider (Trachemys scripta) and cooters (Pseudemys species) are very often seen in pet stores. The ornate shells that make some species valuable as pets also make them vulnerable to extinction in the wild, since these turtles frequently are found only in small geographic areas or do not breed in captivity.

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Before the advent of plastics, tortoiseshell from the hawksbillsea turtle (Eretmochelys imbricata) was used in eyeglass frames and decorative items. Turtles and their eggs have long been eaten in many parts of the world, and they continue to be in great demand commercially. In some areas, local populations and even entire species have been hunted to extinction.

Sea

Such exploitation is not a recent phenomenon. For example, the Native Americans who settled Florida quite possibly ate its giant tortoises to extinction as early as 11,500 years ago. The first colonists of Madagascar eliminated that island’s giant tortoise (Geochelone grandidieri) between 2,300 and 2,100 years ago, and European settlers and sailors eliminated giant tortoises from the island of Mauritius during the 1700s and from Réunion by the 1840s. Every sea turtle species has long been killed for meat, with its eggs being harvested from beachnests as soon as they are laid. This practice now endangers many populations of sea turtles. Before 1969, for example, more than 3,000 female leatherback sea turtles emerged from the ocean annually to nest on the beaches of Terengganu, Malaysia. In the 1990s only 2 to 20 females appeared each year. Their disappearance resulted from years of excessive egg harvesting and the capture and slaughter of juveniles and adults during their migratory search for food. By the 2010s the species was virtually absent from Terengganu.

Overharvesting is not confined to large species. In China, turtles large and small are used for both food and medicine. By the early 1990s, many local populations of turtles had disappeared within the country, so turtles began to be imported from around the world. Some species, such as the three-striped box turtle, or golden coin turtle (Cuora trifasciata), are so popular for traditional Chinese celebrations and in traditional Chinese medicine that aquaculturists raise them and can sell individual turtles for tens of thousands of dollars (U.S.), an amazing price for a reptile less than 20 cm (about 8 inches) long.

Form and function

The turtle’s shell is an adaptation that protects it from predators, which compensates for the reptile’s slow crawling speed. The carapace and plastron each arose from two types of bone: dermal bones that form in the skin and endochondral bone (bone arising from cartilage) derived from the skeleton. Evolution has intricately linked these two types of bone to produce the shell of modern turtles. The carapace consists of 10 trunk vertebrae and their ribs, which are overlain by and fused to dermal plates. Another series of dermal plates forms the perimeter of the carapace. The plastron usually contains four pairs of large plates and a single one centred near the front (the anteromedial plate); these plates are large dermal bones, although the anterior ones may contain parts of the shoulder girdle. The shell is variously modified and shaped to meet the needs of defense, feeding, and movement.

Most tortoises have high, domed shells, the major exception being the pancake tortoise (Malacochersus tornieri) of southeastern Africa. The pancake tortoise lives among rocky outcroppings, where its flat shell allows it to crawl into crevices to rest. Once in a crevice, the pancake tortoise can inflate its lungs, thus expanding the shell and lodging itself so securely that a predator cannot pull it free. The domed shell of other tortoises and land turtles such as box turtles (Cuora, Terrapene) seems to be an adaptation that makes the shell difficult for a predator to hold in its mouth and crush. Among aquatic turtles, some groups are swimmers and usually have streamlined shells; streamlining is best-developed in the sea turtles. Other aquatic turtles, such as the matamata (described below) and snapping turtles, are bottom-walkers; their shells are less streamlined and often have ridged carapaces that may assist in camouflage (see alsoconcealing coloration).

The manner in which the neck folds is the main criteria for differentiating the two main groups (suborders) of turtles. All turtles, no matter how long or short their necks, have eight cervical vertebrae, but those that fold their neck vertically can withdraw the head into the shell. These are the so-called S-necked, or vertical-necked, turtles of the suborder Cryptodira (meaning “hidden neck”). Turtles that cannot withdraw the head belong to the suborder Pleurodira (meaning “side neck”). (See alsoside-necked turtle; snake-necked turtle.)

In addition to differences in the neck, skulls vary in size and shape between the two groups, though all are made up of the same bony elements. The pleurodiran and cryptodiran turtles differ fundamentally in lower jaw architecture and musculature. This difference typically yields a flatter and broader skull in the pleurodires—an architecture that may have allowed the evolution of the gape-and-suck feeding mechanism seen in many pleurodires and best developed in the South American matamata (Chelus fimbriatus or C. fimbriata). This turtle can quickly enlarge the cavity of its mouth and throat when striking at passing prey. As the turtle’s head nears its victim, the greatly enlarged cavity acts like a vacuum, sucking water and prey into the mouth. As the throat area is compressed, the mouth is opened to allow water to escape but not the prey. Most carnivorous turtles use a head strike to capture their prey and when scavenging.

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No present-day turtles have teeth; rather, the upper and lower jaws bear keratinous sheaths that fit onto the skull like a pair of false teeth. The edges (occasionally with serrations) are sharp and allow turtles to cut pieces of flesh from carcasses and quickly kill small prey. The cutting edges are also effective in chopping vegetation into bite-size pieces. Turtles do not chew; those that eat mollusks crush them with a broad, thick sheath inside the mouth.

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All the turtle’s senses are well-developed, and they are used in avoiding predators and in finding and capturing food. The eyes have the typical anatomy of other vertebrates having good vision. Aquatic turtles have eyes that quickly adjust for aerial or aquatic vision, seeing well in both situations. Tortoises appear to have colour vision, but colour vision is untested for most turtles. Turtles, particularly aquatic ones, are not strongly olfactory, but all are capable of smelling. Some aquatic species have protuberances on the chin in the form of tubercles and papillae. These appear to be mainly tactile, although some are chemosensory (that is, having the ability to sense particular chemical stimuli). The turtle ear has an eardrum flush with the surface of the head. A single bone, the stapes, transmits sound to the inner ear.

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