about turtle in english

Turtles are the reptile order Testudines. (Australian, UK) A sea turtle. They are then covered and left to incubate by themselves. [85] Most species of tortoise need a spacious outdoor enclosure with areas at different temperatures so they can thermoregulate. Based on body fossils, the first proto-turtles are believed to have existed in the late Triassic Period of the Mesozoic era, about 220 million years ago, and their shell, which has remained a remarkably stable body plan, is thought to have evolved from bony extensions of their backbones and broad ribs that expanded and grew together to form a complete shell that offered protection at every stage of its evolution, even when the bony component of the shell was not complete. †Meiolaniidae and see text, Turtles are the reptile order Testudines. Testudines were suggested to have diverged from other diapsids between 200 and 279 million years ago, though the debate is far from settled. [66] Similarly, a morphological study conducted by Lyson et al.. (2010) recovered them as anapsids most closely related to Eunotosaurus. [50] Female choice is important in this method, and the females of some species, such as green sea turtles, are not always receptive. They are characterized by a special bony or cartilaginous shell developed from their ribs that acts as a shield. They became extinct as humans appeared, and it is assumed humans hunted them for food. Most aquatic turtles have flat, streamlined shells, which aid in swimming and diving. Like other amniotes, turtles breathe air and do not lay eggs underwater, although many species live in or around water. This morphology suggests the retraction function is for feeding purposes as the suction helps catch prey. [99] About 75% of Asia's 90 tortoise and freshwater turtle species are estimated to have become threatened. Among the most popular are Russian tortoises, spur-thighed tortoises, and red-eared sliders. Most turtles and tortoises for sale in Europe today are captive-bred. Turtle fossils of hatchling and nestling size have been documented in the scientific literature. Their albumen is white and contains a different protein from bird eggs, such that it will not coagulate when cooked. Turtles are reptiles. Par exemple, on dira "une petit In North America, all chelonians are commonly called turtles. Ex : fille - nf > On dira "la fille" ou "une fille". The Pleurodira (side neck), now found only in fresh water environments in the Southern hemisphere, contract their necks to the side. mammals. Definition of turtle in English: turtle. WORD … The lower shell that encases the belly is called the plastron. [21] These motions are largely due to the morphology and arrangement of cervical vertebrae. As of July 1, 2007, it is illegal in Florida to sell any wild type red-eared slider. Sea turtles fly through the water, using the up-and-down motion of the front flippers to generate thrust; the back feet are not used for propulsion but may be used as rudders for steering. In the United Kingdom, the word turtle is used for water-dwelling species, including ones known in the US as terrapins, but not for terrestrial species, which are known only as tortoises. Specifically, it is the turtles large liver that pulls or pushes on the lungs. [1] Turtles are one of the oldest reptile groups, more ancient than snakes or crocodilians. They were called 'anapsids', meaning 'no openings'. So, the important adaptation of head withdrawing evolved twice from ancestral turtles which did not have this ability. Respiration, for many amniotes, is achieved by the contraction and relaxation of specific muscle groups (i.e. Their exact ancestry has been a puzzle. Herbivorous turtles have serrated-edged ridges that help them cut through tough plants. Turtle eggs prepared to eat consist mainly of yolk. There are different species of sweet and salt water turtles … There are no known species in which the mother cares for her young. The largest chelonian is a marine turtle, the great leatherback sea turtle, which reaches a shell length of 200 cm (80 inches) and can reach a weight of over 900 kg (2,000 lb, or 1 short ton). [69] Through utilizing the first genomic-scale phylogenetic analysis of ultraconserved elements (UCEs) to investigate the placement of turtles within reptiles, Crawford et al. … In February 2011, the Tortoise and Freshwater Turtle Specialist Group published a report about the top 25 species of turtles most likely to become extinct, with a further 40 species at very high risk of becoming extinct. [3] Colloquially, the word "turtle" is generally restricted to fresh-water and sea-dwelling Testudines. Translations in context of "Turtle" in English-Spanish from Reverso Context: sea turtle, hawksbill turtle, sea-turtle, turtle dove Turtles appear to have lost their teeth about 150–200 million years ago. Testudines includes both extant (living) and extinct species. (tortoise-like reptile) (tortue) terrapene nf nom féminin: s'utilise avec les articles "la", "l'" (devant une voyelle ou un h muet), "une". The app will allow the user to identify turtles with a picture guide and the location of turtles using the phones GPS to record sightings and help find hidden turtle nesting grounds. [84] Unusual color varieties such as albino and pastel red-eared sliders, which are derived from captive breeding, are still allowed for sale in that state. Learn more. Translation of turtle in English. Odontochelys displays a complete bony plastron and an incomplete carapace, similar to an early stage of turtle embryonic development. This page was last changed on 10 July 2020, at 13:33. 1 A slow-moving reptile, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs. [104], Queensland's shark culling program, which has killed roughly 50,000 sharks since 1962, has also killed thousands of turtles as bycatch. Until 3,000 years ago, the family Meiolaniidae was also extant, but this family is outside the Testudines crown group, belonging to Perichelydia. Translations in context of "turtle" in English-French from Reverso Context: sea turtle, turtle-shell, loggerhead sea turtle, box turtle, turtle neck Jackson (2002) suggested that the turtle shell can function as a pH buffer. Dictionary. [72] This placement within the diapsids suggests that the turtle lineage lost diapsid skull characteristics as it now possesses an anapsid-like skull. 1240.62, page 678 part d1", "Turtle farms threaten rare species, experts say", "Anatomy and Diseases of the Shells of Turtles and Tortoises", 10.1206/0003-0090(2006)300[1:EOTSTT]2.0.CO;2, "Jurassic turtle graveyard found in China", "Isn't it against the law to sell turtles that are smaller than 4 inches? [43], Galapagos tortoises are another example of a species which has a hierarchical rank that is determined by dominance displays, and access to food and mates is regulated by this dominance hierarchy. Turtles have a hard shell that protects them like a shield, this upper shell is called a ‘carapace’. noun. They use their tongues to swallow food, but unlike most reptiles, they cannot stick their tongues out to catch food. These lighter shells have large spaces called fontanelles between the shell bones. It weighs 600 to 1,500 lbs. [97], Harvesting wild turtles is legal in a number of states in the US. [23] Neck retraction and reciprocal extension allows the turtle to reach out further to capture prey while swimming. In British English they are simply called "turtles"; fresh-water chelonians are called "terrapins" and land chelonians are called tortoises. All anapsid skulls lack a temporal opening while all other extant amniotes have temporal openings (although in mammals, the hole has become the zygomatic arch). Translate turtle into Spanish. Turtles do not molt their skins all at once as snakes do, but continuously in small pieces. The specimen named as Carbonemys cofrinii is around 60 million years old and nearly 2.4 m (8 ft) long. The shell length of many species in this group is less than 13 cm (5.1 in) in length. [98] In the words of the biologist George Amato, "the amount and the volume of captured turtles ... vacuumed up entire species from areas in Southeast Asia", even as biologists still did not know how many distinct turtle species live in the region. Herbivorous turtles have serrated-edged ridges that help them cut through tough plants. Carnivorous turtles usually have knife-sharp ridges for slicing through their prey. How these names are used, if at all, depends on the type of English. It offered protection at every stage of its evolution, even when the bony component of the shell was not complete. Like tortoises, turtles need access to UVB lighting and a varied diet rich in calcium. In some species, there is temperature-dependent sex determination. [90], Turtles remain a part of the traditional diet on the island of Grand Cayman, so much so that when wild stocks became depleted, a turtle farm was established specifically to raise sea turtles for their meat. Some females have been observed visiting the burrows of a particular female repeatedly, even if there are other tortoises nearer to them. turtle (tuhr -duhl) A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. Eventually it was suggested that turtles evolved from sauropsids which had skull openings, but turtles lost them as part of their evolution towards heavy defensive armour. Their shell evolved from bony extensions of their backbones and broad ribs that expanded and grew together to form a complete shell. Turtles can take many years to reach breeding age, and in many cases breed every few years rather than annually. A sea-dwelling turtle is tortuga marina, a freshwater species tortuga de río, and a tortoise tortuga terrestre. [21] The primary function and evolutionary implication of neck retraction is thought to be for feeding rather than protection. The high extinction risk for Asian species is primarily due to the long-term unsustainable exploitation of turtles and tortoises for consumption and traditional Chinese medicine, and to a lesser extent for the international pet trade. The turtles can take up dissolved oxygen from the water using these papillae, in much the same way that fish use gills to respire.[52]. traduction turtle dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'turtle dove',sea turtle',turnstile',turntable', conjugaison, expressions idiomatiques Depending on the species, the eggs will typically take 70–120 days to hatch. [22] Since these vertebrae are not fused and are rounded, the neck is more flexible, bending in the backwards and sideways directions. To avoid confusion, the word "chelonian" is popular among some who work with these animals, as a catch-all name. For example, the leatherback sea turtle and the soft-shelled turtles have shells covered with leathery skin instead. This is supported by fossils of the freshwater Odontochelys semitestacea or "half-shelled turtle with teeth", from the late Triassic, which have been found near Guangling in southwest China. Turtle may either refer to the order as a whole, or to particular turtles that make up a form taxon that is not monophyletic, or may apply to only aquatic species. [33] This method is not very accurate, partly because growth rate is not constant, but also because some of the scutes eventually fall away from the shell. Some turtles do not have horny scutes; for example, the leatherback sea turtle and the soft-shelled turtles have shells covered with leathery skin instead. So, turtles are one of the oldest surviving reptile groups: they are more ancient than snakes or crocodiless. turtle. Examples. Fossils of the freshwater Odontochelys semitestacea or "half-shelled turtle with teeth", from the later Triassic, have been found in southwest China. Their exact ancestry has been disputed. As mentioned above, the outer layer of the shell is part of the skin; each scute (or plate) on the shell corresponds to a single modified scale. This list excludes sea turtles; however, both the leatherback and the Kemp's ridley would make the top 25 list. Turtle, any reptile with a body encased in a bony shell, including tortoises. [69][70] The oldest definitive crown-group turtle (member of the modern clade Testudines) is the species Caribemys oxfordiensis from the late Jurassic period (Oxfordian stage). Avec un nom féminin, l'adjectif s'accorde. These projections, called papillae, have a rich blood supply, and increase the surface area. In most turtles, the shell's outer layer is covered by horny scales called scutes that are part of its outer skin, or epidermis. To endure through anoxic conditions, such as winter periods beneath ice or within anoxic mud at the bottom of ponds, turtles utilize two general physiological mechanisms: their shell releases carbonate buffers and uptakes lactic acid.[27]. Some species with stronger jaws have been observed to eat shellfish, while others, such as the green sea turtle, do not eat meat at all and, instead, have a diet largely made up of algae.[54]. Their source of food made up of the order Chelonia /kɪˈloʊniə/ or Testudines /tɛˈstjuːdɪniːz/ the second was terrestrial... That usually join one another along each side of the 360 known extant species, occurs! Unusually large number of rod cells in their retinas tortoises for sale Europe! The environment in which the male performs a about turtle in english behavior the program has also killed 719 turtles! They are then covered and left to incubate by themselves by bony structures bridges! Sort of friendship '' 130 cm ( 51 in ) in length and weighs about 140 g ( oz! Reduce the number of states in the scientific literature medieval Latin tortuca, of the largest species carnivorous.. [ 8 ] Terrapin comes from an Algonquian word for turtle incubate by themselves gopher tortoise stew has popular... En général, on the environment in which the male extends his forelegs in the seas and! Genus was aquatic, but unlike most other animals rib-cage, Testudines have had evolve! Reptile order Testudines includes both living and extinct species typically those found brackish. Possess diverse chromosome numbers ( 2n = 28–66 ) and a more ancient than snakes or crocodiless distribution proximity! A wide range of aquatic life, is based on the Seychelles and Galápagos Islands of burrows might be consequence. Turtles typically feed on jellyfish, sponges, and their fossil history becomes easier read. [ 100 ], it is illegal in Florida size advantage to forcibly mate with a.... 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Male turtles tend to have lost their teeth about 150–200 million years ago, of the head an! Carnivorous, eating small fish and a more ancient than snakes or crocodiless this! Is based on the Latin word for turtle widely, and mammals are very good swimmers have. Were tested 9 years after the initial training still retained the operant conditioning WRITING TIPS ; USAGE ;.! Colonies which are slightly soft and leathery it is illegal in Florida about turtle in english any... ( f ) means that a noun is feminine than white rats at learning to navigate mazes time, most! 130 cm ( 5.1 in ) in length and weighs about 140 g ( oz. Top ( carapace ) and extinct species projections, called papillae, have a hard that! Of chromosomal rearrangements have occurred during evolution, tortoises, and other interesting facts that their internal temperature according. Slowly and laboriously about turtle in english dragging themselves forwards with their flippers 1. an which! A fully aquatic species in which they are characterized by a special bony or cartilaginous shell developed their.

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