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Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines and of the suborder Cryptodira. The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, Kemp's ridley, and olive ridley sea turtles. All six of the sea turtle species present in US waters (all of those listed above except the flatback) are listed as endangered and/or threatened under the Endangered Species Act. The seventh sea turtle species is the flatback, which exists in the waters of Australia, Papua New Guinea and Indonesia. Sea turtles can be separated into the categories of hard-shelled (cheloniid) and leathery-shelled (dermochelyid). There is only one dermochelyid species which is the leatherback sea turtle. For each of the seven types of sea turtles, females and males are the same size; there is no sexual dimorphism. In general, sea turtles have a more fusiform body plan than their terrestrial or freshwater counterparts. This tapering at both ends reduces volume and means that sea turtles cannot retract their head and limbs into their shells for protection, unlike many other turtles and tortoises. However, the streamlined body plan reduces friction and drag in the water and allows sea turtles to swim more easily and swiftly. The leatherback sea turtle is the largest sea turtle, measuring 2–3 m (6–9 ft) in length, 1–1.5 m (3–5 ft) in width, and weighing up to 700 kg (1500 lb). Other sea turtle species are smaller, being mostly 60–120 cm (2–4 ft) long and proportionally narrower. (Source: Wikipedia.org, CC BY-SA)
The sharp-tailed snake or sharptail snake (Contia tenuis) is a small species of snake in the family Colubridae. The species is endemic to the Western United States and British Columbia. The sharp-tailed snake has an average total length (including tail) of 12–18 in (30–46 cm) as an adult. It is distinguished by its sharp tail spine, which is the protruding tip of the last tail vertebra. The spine is not toxic and cannot injure humans. Rather, the tail is used to stabilize small prey, such as slugs, for consumption. The dorsal surface ranges in color from grayish brown to brown to brick red, with bubble-gum pink and peachy-orange specimens occasionally found. The ventral surface is a striking series of black and white crossbars. The sharp-tailed snake is a shy, secretive creature most often encountered under rocks and logs, and rarely to never found in the open. It is able to persist in urban areas where appropriate cover can be found. It is known to burrow into soft soil or cracks in the clay, and may be encountered by people who are digging in the garden or removing concrete. When encountered, the sharp-tailed snake may roll into a ball and remain still. It can be mistaken for a worm by the casual observer.[citation needed] (Source: Wikipedia.org, CC BY-SA)
Skinks are lizards belonging to the family Scincidae, a family in the infraorder Scincomorpha. With more than 1,500 described species across 100 different taxonomic genera, the family Scincidae is one of the most diverse families of lizards. Skinks are characterized by their smaller legs in comparison to typical lizards and are found in different habitats except arctic and subarctic regions. Skinks look like lizards of the family Lacertidae (sometimes called true lizards), but most species of skinks have no pronounced neck and relatively small legs. Several genera (e.g., Typhlosaurus) have no limbs at all. This is not true for all skinks, however, as some species such as the red-eyed crocodile skink have a head that is very distinguished from the body. These lizards also have legs that are relatively small proportional to their body size. Skinks' skulls are covered by substantial bony scales, usually matching up in shape and size, while overlapping. Other genera, such as Neoseps, have reduced limbs and fewer than five toes (digits) on each foot. In such species, their locomotion resembles that of snakes more than that of lizards with well-developed limbs. As a general rule, the longer the digits, the more arboreal the species is likely to be. A biological ratio can determine the ecological niche of a given skink species. The Scincidae ecological niche index (SENI) is a ratio based on anterior foot length at the junction of the ulna/radius-carpal bones to the longest digit divided by the snout-to-vent length. (Source: Wikipedia.org, CC BY-SA)
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The slow worm (Anguis fragilis) is a reptile native to western Eurasia. It is also called a deaf adder, a slowworm, a blindworm, or regionally, a long-cripple and hazelworm. These legless lizards are also sometimes called common slowworms. The 'blind' in blindworm refers to the lizard's small eyes, similar to a blindsnake (although the slowworm's eyes are functional). Slow worms are semifossorial (burrowing) lizards, spending much of their time hiding underneath objects. The skin of slow worms is smooth with scales that do not overlap one another. Like many other lizards, they autotomize, meaning that they have the ability to shed their tails to escape predators. While the tail regrows, it does not reach its original length. In the UK, they are common in gardens and allotments, and can be encouraged to enter and help remove pest insects by placing black plastic or providing places to shelter such as piles of logs, corrugated iron sheets or under tiles. On warm days, one or more slow worms can often be found underneath these heat collectors. One of the biggest causes of mortality in slow worms in suburban areas is the domestic cat, against which it has no defence. (Source: Wikipedia.org, CC BY-SA)
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes /sɜːrˈpɛntiːz/. Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads (cranial kinesis). To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one functional lung. Some species retain a pelvic girdle with a pair of vestigial claws on either side of the cloaca. Lizards have evolved elongate bodies without limbs or with greatly reduced limbs about twenty-five times independently via convergent evolution, leading to many lineages of legless lizards. These resemble snakes, but several common groups of legless lizards have eyelids and external ears, which snakes lack, although this rule is not universal (see Amphisbaenia, Dibamidae, and Pygopodidae). Most species of snake are nonvenomous and those that have venom use it primarily to kill and subdue prey rather than for self-defense. Some possess venom that is potent enough to cause painful injury or death to humans. Nonvenomous snakes either swallow prey alive or kill by constriction. (Source: Wikipedia.org, CC BY-SA)
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The common snapping turtle (Chelydra serpentina) is a species of large freshwater turtle in the family Chelydridae. Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia and Florida. The three species of Chelydra and the larger alligator snapping turtles (genus Macrochelys) are the only extant chelydrids, a family now restricted to the Americas. The common snapping turtle, as its name implies, is the most widespread. The common snapping turtle is noted for its combative disposition when out of the water with its powerful beak-like jaws, and highly mobile head and neck (hence the specific epithet serpentina, meaning 'snake-like'). In water, it is likely to flee and hide underwater in sediment. The common snapping turtle has a life-history strategy characterized by high and variable mortality of embryos and hatchlings, delayed sexual maturity, extended adult longevity, and iteroparity (repeated reproductive events) with low reproductive success per reproductive event. Females, and presumably also males, in more northern populations mature later (at 15–20 years) and at a larger size than in more southern populations (about 12 years). Lifespan in the wild is poorly known, but long-term mark-recapture data from Algonquin Park in Ontario, Canada, suggest a maximum age over 100 years. (Source: Wikipedia.org, CC BY-SA)
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The snouted cobra (Naja annulifera), also called the banded Egyptian cobra, is a highly venomous species of cobra found in Southern Africa. The snouted cobra is a relatively large species. Adult specimens average between 1.2 and 1.8 metres (3.9 and 5.9 ft) in length, but they may reach lengths of 2.5 metres (8.2 ft). Colouration of dorsal scales may vary from yellowish to greyish-brown, dark brown or blue-black. Ventral scale colouration is yellow with darker mottles. A banded phase occurs throughout the species' range and is blue-black with 7-11 yellow to yellow-brown cross bars, the lighter bands being half the width of the darker bands. The latter colour phase is more common in males. Ventrally, it is yellow mottled with black. A darker throat band is present and is usually more prominent in juveniles. It is a highly venomous species with neurotoxic venom. Intravenous LD50 value is 1.98 mg/kg. A bite can affect breathing, and if left untreated, may cause respiratory failure and death. Initial symptoms include pain and local swelling that may result in blistering. Typically, victims are bitten on the lower leg, usually at night. (Source: Wikipedia.org, CC BY-SA)
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The southern black racer (Coluber constrictor priapus) is one of the more common subspecies of the nonvenomous Coluber constrictor snake species of the Southeastern United States. The subspecific name priapus refers to the proximal spines of the hemipenes being much enlarged into basal hooks, which is characteristic of this subspecies. These snakes are quite active during the day, which increases the chance of sightings. They eat almost any animal they can overpower, including rodents, frogs, toads, and lizards. Members of this species generally do not tolerate handling – even after months in captivity – and typically strike and flail wildly every time they are handled, often defecating a foul-smelling musk, a common defense against predators in snakes. Adults of the species are usually thin with a jet black dorsal side with a grey belly and white chin. They are quite fast, giving them the name 'racer'. Typical size for this snake is 51–142 cm (20–56 in), and the record is 180 cm (72 in). The southern black racer has a white chin, whereas an indigo snake normally has a dark to reddish-orange chin. The southern black racer is a predator that relies on lizards, insects, moles, birds, eggs, small snakes, rodents, and frogs. Despite its specific name constrictor (scientific name: Coluber constrictor), the racer is more likely to suffocate or crush its victim into the ground, rather than coiling around it in typical constrictor fashion. (Source: Wikipedia.org, CC BY-SA)
Heterodon simus, commonly known as the southern hog-nosed snake, is a harmless snake species endemic to the southeastern United States. No subspecies are currently recognized. Adults are 35.5–61 cm (14-24 inches) in total length. Stout with a wide neck and a sharply upturned snout, they usually have 25 rows of keeled dorsal scales at midbody. The dorsal color pattern consists of a light brown, yellowish, grayish, or reddish ground color, overlaid with a distinct row of dark blotches that alternate with smaller blotches on the flanks. The belly is distinctly darker in color than the underside of the tail in juveniles. As the snake ages, the underside usually becomes a pale white. (Source: Wikipedia.org, CC BY-SA)
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Crotalus helleri, known as the Southern Pacific rattlesnake, black diamond rattlesnake, and by other names, is a pit viper subspecies found in southwestern California and south into Baja California, Mexico, that is known for its regional variety of dangerous venom types. Adults are 24–55 inches (61–139 cm) in length. The color pattern consists of a pale brown, gray-brown, or yellowish brown ground color overlaid with a series of large, dark brown dorsal blotches that may or may not have pale centers. The blotches are more diamond shaped, as opposed to those of C. o. oreganus that are more hexagonal, and are bordered by light scales. The tail rings are not clearly defined. In juveniles, the end of the tail is bright orange, but this turns to brown as the snakes mature. In adults, the base of the tail and the first segment of the rattle are brown. The postocular stripe is moderately to very clearly defined. In juveniles, this stripe is bordered above by a pale stripe, but as the snakes mature this turns to drab yellow or brown. A conspicuous pale crossbar is sometimes present across the supraoculars, after which the head is a uniform dark color. In some older snakes the head is mostly dark with almost no trace of the supraorbital crossbar, or none at all. (Source: Wikipedia.org, CC BY-SA)
The speckled kingsnake (Lampropeltis holbrooki) is a nonvenomous species of kingsnake endemic to the United States. The speckled kingsnake usually grows up to 48 in (120 cm) in total length (including tail), but the record total length is 72 in (180 cm). The common name is derived from its pattern, which is black, with small yellow-white specks, one speck in the center of almost every dorsal scale. It is also known as the 'salt-and-pepper snake'. The speckled kingsnake prefers wetter habitats than other kingsnakes, such as swamps and rivers, but it does commonly venture to dry areas such as woodlands and grassy fields. When threatened, the speckled kingsnake shakes its tail like a rattlesnake to deter predators. It frequently expels musk and feces or bites when threatened. It is usually docile, often striking only one or two times after capture, and is frequently kept as a pet. It is commonly captive bred. (Source: Wikipedia.org, CC BY-SA)
The spiny turtle (Heosemys spinosa) is a South-East Asian turtle species. It inhabits lowland and hill rainforest, usually in the vicinity of small streams, mainly in hill areas up to 900 m above sea level. The origin of its common and specific name is immediately apparent from the sharp, pointed, spiky-edged carapace, and spiny keel, of this unique turtle, also known as the 'cog-wheel turtle'. The spiny turtle is known from Brunei, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, and Thailand. Mating behaviour appears to be triggered by rain; in captivity, spraying males with water results in them chasing females and attempting to mount. Nothing is known of nesting behaviour in the wild. One, two, or rarely three eggs are laid per clutch; in captivity, laying usually occurs in the night or early morning. Females produce up to three clutches per year. A plastron hinge develops to ease laying. It has been bred in captivity several times; in three cases the incubation time was 106, 110, and 145 days. (Source: Wikipedia.org, CC BY-SA)
Spiny lizards is a common name for the genus Sceloporus in the family Phrynosomatidae. The genus is endemic to North America, with various species ranging from New York, to Washington, and one occurring as far south as northern Panama. The greatest diversity is found in Mexico. This genus includes some of the most commonly seen lizards in the United States. Other common names for lizards in this genus include fence lizards, scaly lizards, bunchgrass lizards, and swifts. (Source: Wikipedia.org, CC BY-SA)
The Atractaspididae (atractaspidids) are a family of venomous snakes found in Africa and the Middle East, commonly called mole vipers, stiletto snakes, or burrowing asps. Currently, 12 genera are recognized. This family includes many genera formerly classed in other families and subfamilies, on the basis of fang type. It includes fangless (aglyphous), rear-fanged (opisthoglyphous), fixed-fanged (proteroglyphous), and viper-like (solenoglyphous) species. Early molecular and physiological data linking this subfamily to others were ambiguous and often contradictory, which means the taxonomy of this subfamily has been highly contentious. The nominate family, Atractaspididae, has itself been moved to and from other taxa, reinforcing the ambiguity of this subfamily. Many of these snakes are inoffensive or far too small to envenomate a person effectively. However, some can inflict severe tissue necrosis; e.g. if the victim's thumb is bitten, the tip of that digit may be lost. Relapses may occur long after the bite. (Source: Wikipedia.org, CC BY-SA)
The African spurred tortoise (Centrochelys sulcata), also called the sulcata tortoise, is a species of tortoise inhabiting the southern edge of the Sahara desert in Africa. It is the largest mainland species of tortoise in the world, and the third-largest in the world. It is the last remaining species in its genus, Centrochelys, with the five other species in the family already extinct. The African spurred tortoise is native to the Sahara Desert and the Sahel, a transitional ecoregion of semiarid grasslands, savannas, and thorn shrublands found in the countries of Burkina Faso, the Central African Republic, Chad, Eritrea, Ethiopia, Mali, Mauritania, Nigeria, Senegal, Saudi Arabia, Sudan, Yemen and possibly in Somalia, Algeria, Benin, and Cameroon. It is possibly extirpated from Djibouti and Togo. They are found on hills, stable dunes, and flat areas with shrubs and high grass. They also like to settle in areas with interrupted streams or rivers. In these arid regions, the tortoise excavates burrows in the ground to get to areas with higher moisture levels, and spends the hottest part of the day in these burrows. This is known as aestivation. In the wild, they may burrow very deep; up to 15 m deep and 30 m long. Plants such as grasses and succulents grow around their burrows if kept moist and in nature they continue to grow for the tortoise to eat if the soil is replenished with its feces. Sulcata tortoises found in the Sudanese part of their range may reach significantly greater size at maturity than those found in other regions. (Source: Wikipedia.org, CC BY-SA)
Taipans are snakes of the genus Oxyuranus in the elapid family. They are large, fast-moving, highly venomous, and endemic to Australia and New Guinea. Three species are recognised, one of which, the coastal taipan, has two subspecies. Taipans are some of the deadliest known snakes. Their diet consists primarily of small mammals, especially rats and bandicoots. Species of this genus possess highly neurotoxic venom with some other toxic constituents that have multiple effects on victims. The venom is known to paralyse the victim's nervous system and clot the blood, which then blocks blood vessels and uses up clotting factors. Members of this genus are considered to be among the most venomous snakes in the world based on their murine LD50, an indicator of the toxicity on mice. The inland taipan is considered to be the most venomous snake in the world and the coastal taipan, which is arguably the largest Australian venomous snake, is the third-most venomous snake in the world. The Central Ranges taipan has been less researched than other species of this genus, so the exact toxicity of its venom is still not clear, but it may be even more venomous than the other taipan species. Apart from venom toxicity, quantities of venom delivered should also be taken into account for the danger posed. The coastal taipan is capable of injecting a large quantity of venom due to its large size. (Source: Wikipedia.org, CC BY-SA)
The thorny devil (Moloch horridus), also known commonly as the mountain devil, thorny lizard, thorny dragon, and moloch, is a species of lizard in the family Agamidae. The species is endemic to Australia. It is the sole species in the genus Moloch. It grows up to 21 cm (8.3 in) in total length (including tail), with females generally larger than males. The thorny devil grows up to 21 cm (8.3 in) in total length (including tail), and can live for 15 to 20 years. The females are larger than the males. Most specimens are coloured in camouflaging shades of desert browns and tans. These colours change from pale colours during warm weather to darker colours during cold weather. The thorny devil is covered entirely with conical spines that are mostly uncalcified. An intimidating array of spikes covers the entire upper side of the body of the thorny devil. These thorny scales also help to defend it from predators. Camouflage and deception may also be used to evade predation. This lizard's unusual gait involves freezing and rocking as it moves about slowly in search of food, water, and mates. (Source: Wikipedia.org, CC BY-SA)
The timber rattlesnake, canebrake rattlesnake, or banded rattlesnake (Crotalus horridus) is a species of pit viper endemic to eastern North America. Like all other pit vipers, it is venomous, and this species is sometimes highly venomous. This is the only rattlesnake species in most of the populous Northeastern United States and is second only to its relatives to the west, the prairie rattlesnake, as the most northerly distributed venomous snake in North America. No subspecies are currently recognized. Adults usually grow to total length of 91–152 cm (36–60 in). In Pennsylvania, the smallest size females that could produce viable eggs was 72.2 cm (28.4 in). Most adult timber rattlesnakes found measure less than 115 cm (45 in) in total length and weigh between 500 and 1,500 g (1.1 and 3.3 lb), often being towards the lower end of that range. The maximum reported total length is 189.2 cm (74.5 in) (Klauber, 1956). Holt (1924) mentions a large specimen caught in Montgomery County, Alabama, which had a total length of 159 cm (62.5 in) and weighed 2.5 kg (5.5 lb). Large specimens can reportedly weigh as much as 4.5 kg (9.9 lb). (Source: Wikipedia.org, CC BY-SA)
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Tortoises (/ˈtɔːr.təs.ɪz/) are reptiles of the family Testudinidae of the order Testudines (Latin: tortoise). Like other turtles, tortoises have a shell to protect from predation and other threats. The shell in tortoises is generally hard, and like other members of the suborder Cryptodira, they retract their necks and heads directly backward into the shell to protect them. Tortoises can vary in size with some species, such as the Galápagos giant tortoise, growing to more than 1.2 metres (3.9 ft) in length, whereas others like the Speckled cape tortoise have shells that measure only 6.8 centimetres (2.7 in) long. Several lineages of tortoises have independently evolved very large body sizes in excess of 100 kg, including the Galapagos giant tortoise and the Aldabra giant tortoise. They are usually diurnal animals with tendencies to be crepuscular depending on the ambient temperatures. They are generally reclusive animals. Tortoises are the longest-living land animals in the world, although the longest-living species of tortoise is a matter of debate. Galápagos tortoises are noted to live over 150 years, but an Aldabra giant tortoise named Adwaita may have lived an estimated 255 years. In general, most tortoise species can live 80–150 years. Tortoises are placid and slow-moving, with an average walking speed of 0.2–0.5 km/h. (Source: Wikipedia.org, CC BY-SA)
Turtles are an order of reptiles known as Testudines, characterized by a shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts. There are 360 living and recently extinct species of turtles, including land-dwelling tortoises and freshwater terrapins. They are found on most continents, some islands and, in the case of sea turtles, much of the ocean. Like other reptiles, birds, and mammals, they breathe air and do not lay eggs underwater, although many species live in or around water. Turtle shells are made mostly of bone; the upper part is the domed carapace, while the underside is the flatter plastron or belly-plate. Its outer surface is covered in scales made of keratin, the material of hair, horns, and claws. The carapace bones develop from ribs that grow sideways and develop into broad flat plates that join up to cover the body. Turtles are ectotherms or 'cold-blooded', meaning that their internal temperature varies with their direct environment. They are generally opportunistic omnivores and mainly feed on plants and animals with limited movements. Many turtles migrate short distances seasonally. Sea turtles are the only reptiles that migrate long distances to lay their eggs on a favored beach. (Source: Wikipedia.org, CC BY-SA)
The twig snakes (genus Thelotornis), also commonly known as bird snakes or vine snakes, are a genus of rear-fanged venomous snakes in the family Colubridae. The genus is native to Africa. All species in the genus have a slender and elongated profile, a long tail, a narrow head, and a pointed snout. The eye of all species has a horizontal pupil, shaped like a keyhole, which gives twig snakes binocular vision. Twig snakes are greyish-brown with faint light and dark markings. When threatened, they inflate the throat to display bold black markings between the scales. Twig snakes are deadly: the venom is hemotoxic, affecting the blood clotting mechanism and causing uncontrolled bleeding and internal hemorrhaging. Bites by twig snakes have caused death in humans; famous herpetologist Robert Mertens died after being bitten by his pet savanna vine snake (Thelotornis capensis). However, envenomed bites are extremely rare when not handling the snake, as the fangs can't breach the skin except in a few places like the web between the thumb and fingers. Twig snakes are among the few rear-fanged colubrids whose bite is highly venomous and potentially fatal. The venom is hemotoxic, and although its effects are very slow, and bites are rare, no antivenom has been developed and several fatalities (such as Robert Mertens) have occurred. They prey on birds, lizards and frogs, and conceal themselves in trees, though often at a low enough level to be able to also strike at terrestrial prey, which they may swallow upwards after killing. Their cryptic coloration and apparent ability to freeze or sway gently, as chameleons do, like a twig on a tree (hence the name), makes them hard to spot. Indeed, they may be more abundant in areas than is immediately obvious. (Source: Wikipedia.org, CC BY-SA)
The Virgin Islands dwarf sphaero, Virgin Gorda least gecko, or Virgin Islands dwarf gecko (Sphaerodactylus parthenopion) is a species of gecko and also one of the smallest terrestrial vertebrates. It has only been found on three of the British Virgin Islands: Virgin Gorda, Tortola, and Moskito Island (also spelled “Mosquito Island”). It was discovered in 1964 and is suspected to be a close relative of Sphaerodactylus nicholsi, a dwarf sphaero from the nearby island of Puerto Rico. It shares its range with the big-scaled least gecko (S. macrolepis), which is found in leaf litter. Unlike this larger gecko, the Virgin Islands dwarf sphaero lives on drier hillsides, yet prefers moist microhabitats found under rocks because it lacks the adaptations necessary for preventing water loss, which is a significant problem due to its small body size. The Virgin Islands dwarf sphaero has a deep brown colour on its upper side, often with a speckling of darker scales. On average, it measures 18 mm (0.71 in) from its snout to its vent, and is nearly as small as a U.S. dime. At most, it weighs 0.15 g (0.0053 oz). There are several stripes or bars of lighter colouration behind the eyes and at the top of the neck that help distinguish it. There are no differences in colouration between males and females, although females are slightly larger in size. Its tail will regenerate when broken off. Little is known about its population size or its biology. (Source: Wikipedia.org, CC BY-SA)
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The Australian water dragon (Intellagama lesueurii), which includes the eastern water dragon (Intellagama lesueurii lesueurii ) and the Gippsland water dragon (Intellagama lesueurii howittii ) subspecies, is an arboreal agamid species native to eastern Australia from Victoria northwards to Queensland. There may be a small introduced population on the south-east coast of South Australia. Australian water dragons have long powerful limbs and claws for climbing, a long muscular laterally-compressed tail for swimming, and prominent nuchal and vertebral crests. (A nuchal crest is a central row of spikes at the base of the head. These spikes continue down the spine, getting smaller as they reach the base of the tail.) Including their tails, which comprise about two-thirds of their total length, adult females grow to about 60 cm (2 feet) long, and adult males can grow slightly longer than one metre (39 inches) and weigh about 1 kg. Males show bolder colouration and have larger heads than females. Colour is less distinct in juveniles. (Source: Wikipedia.org, CC BY-SA)
The western hognose snake (Heterodon nasicus) is a species of snake in the family Colubridae. The species is endemic to North America. The western hognose snake is a relatively small, stout-bodied snake. Its color and pattern is highly variable between subspecies, although most specimens appear much like rattlesnakes to the untrained eye, which appears to be Batesian mimicry. Males are considerably smaller than females, with adults rarely exceeding a total length (including tail) of 40–50 cm (15–20 inches). This snake gets its common name, 'hognose', from the modified rostral (nose) scale that is formed in an upturned manner, providing a very 'hog-like' look. Additionally, this adaptation makes these snakes adept burrowers. The species is not dangerous to humans, but there exists scientific debate regarding whether the mild toxins in the hognose's bite result from saliva, harmful to its preferred wild food source – toads – or an extremely mild venom produced in glands connecting to the hognose's minuscule rear fangs. In either case, no deaths or systemic effects from the extremely rare bite from this rear-fanged snake have been recorded. Although bites may uncommonly be medically significant, the species is not regarded as venomous. (Source: Wikipedia.org, CC BY-SA)
Teiidae is a family of autarchoglossan lizards native to the Americas. Members of this family are generally known as whiptails or racerunners; however, tegus also belong to this family. Teiidae is sister to the Gymnopthalmidae, and both families comprise the Teiioidea. The Teiidae includes several parthenogenic species – a mode of clonal reproduction. Presently, the Teiidae consists of approximately 150 species in eighteen genera. Teiids can be distinguished from other lizards by the following characteristics: they have large rectangular scales that form distinct transverse rows ventrally and generally small granular scales dorsally, they have head scales that are separate from the skull bones, and the teiid teeth are solid at the base and 'glued' to the jaw bones. Additionally, all teiids have a forked, snake-like tongue. They all possess well-developed limbs. Teiids are all terrestrial (few are semi-aquatic) and diurnal, and are primarily carnivorous or insectivorous. Most teiids forage quite actively within their ideal temperature range, quickly skirting between cover objects. Some will include a small amount of plant matter in their diet. They are oviparous, and some species lay very large clutches. (Source: Wikipedia.org, CC BY-SA)
The wood turtle (Glyptemys insculpta) is a species of turtle endemic to North America. It is in the genus Glyptemys, a genus which contains only one other species of turtle: the bog turtle (Glyptemys muhlenbergii ). The wood turtle reaches a straight carapace length of 14 to 20 centimeters (5.5 to 7.9 in), its defining characteristic being the pyramidal shape of the scutes on its upper shell. Morphologically, it is similar to the bog turtle, spotted turtle (Clemmys guttata), and Blanding's turtle (Emydoidea blandingii). The wood turtle exists in a broad geographic range extending from Nova Scotia in the north (and east) to Minnesota in the west and Virginia in the south. In the past, it was forced south by encroaching glaciers: skeletal remains have been found as far south as Georgia. It spends a great deal of time in or near the water of wide rivers, preferring shallow, clear streams with compacted and sandy bottoms. The wood turtle can also be found in forests and grasslands, but will rarely be seen more than several hundred meters from flowing water. It is diurnal and is not overtly territorial. It spends the winter in hibernation and the hottest parts of the summer in estivation. The wood turtle is omnivorous and is capable of eating on land or in water. On an average day, a wood turtle will move 108 meters (354 ft), a decidedly long distance for a turtle. Many other animals that live in its habitat pose a threat to it. Raccoons are over-abundant in many places and are a direct threat to all life stages of this species. Inadvertently, humans cause many deaths through habitat destruction, road traffic, farming accidents, and illegal collection. When unharmed, it can live for up to 40 years in the wild and 58 years in captivity. (Source: Wikipedia.org, CC BY-SA)
Bothrops jararaca — known as the jararaca or yarara — is a highly venomous pit viper species endemic to South America in southern Brazil, Paraguay, and northern Argentina. The specific name, jararaca, is derived from the Tupi words yarará and ca, which mean 'large snake'. Within its geographic range, it is often abundant and is an important cause of snakebite. No subspecies are currently recognized. This is a slender and terrestrial species that grows to a maximum total length of 160 cm (63 in), although the average total length is much less. The head scalation includes 5-12 intersupraoculars that are weakly keeled, 7-9 supralabials (usually 8) of which the second is fused with the prelacunal to form a lacunolabial, and 9-13 sublabials (usually 10-12). Midbody, there are 20-27 rows of dorsal scales (usually 23-25). The ventrals number 170-216 (rarely 218) and the 51-71 subcaudals are mostly paired. The color pattern is extremely variable, consisting of a dorsal ground color that may be tan, brown, gray, yellow, olive, or almost maroon. Midbody, this color is usually somewhat lighter than the head, anterior and posterior. The dorsal ground color is overlaid with a series of pale-edged, dark brown subtriangular or trapezoidal markings on either side of the body, the apices of which reach the vertebral line. These marking may be situated opposite each other, or partially or completely juxtaposed; most specimens have a pattern with all three variations. In juveniles, the tip of the tail is white. (Source: Wikipedia.org, CC BY-SA)
The yellow anaconda (Eunectes notaeus), also known as the Paraguayan anaconda, is a boa species endemic to southern South America. It is one of the largest snakes in the world but smaller than its close relative, the green anaconda. No subspecies are currently recognized. Like all boas and pythons, it is non-venomous and kills its prey by constriction. Adults grow to an average of 3.3 to 4.4 m (10.8 to 14.4 ft) in total length. Females are generally larger than males, and have been reported up to 4.6 m (15.1 ft) in length. They commonly weigh 25 to 35 kg (55 to 77 lb), but specimens weighing more than 55 kg (121 lb) have been observed. The color pattern consists of a yellow, golden-tan or greenish-yellow ground color overlaid with a series of black or dark brown saddles, blotches, spots and streaks. (Source: Wikipedia.org, CC BY-SA)
The Cape cobra (Naja nivea), also called the yellow cobra, is a moderate-sized, highly venomous species of cobra inhabiting a wide variety of biomes across southern Africa including arid savanna, fynbos, bushveld, desert and semi-desert regions. The Cape cobra is a medium-sized species of cobra. Mature specimens are typically about 1.2 to 1.4 metres (3.9 to 4.6 ft) long, but may grow up to 1.6 metres (5.2 ft) in length. Males are slightly larger than females. The longest specimen on record was a male from Aus, Namibia and measured 1.88 metres (6.2 ft) long. Another very large specimen was also a male found in De Hoop Nature Reserve with a total length of 1.86 metres (6.1 ft). Cape cobras vary widely in colouration, from yellow through golden brown to dark brown and even black. In addition, individuals show a varying degree of black or pale stippling and blotches, and although colour and marking are geographically related, it is also possible to observe virtually all colour varieties at one location. For example, the Kalahari Desert specimens in Botswana and Namibia are usually more consistently yellow than the more southerly populations. However, at De Hoop, and other specific locations in the Western Cape, all colour variations have been recorded. Juvenile specimens generally have conspicuously dark throats extending down the belly for the width of a dozen or so ventral scales. The colour fades during the first year or two of life, but while it lasts it commonly leads laymen to confuse the juvenile Cape cobra with the Rinkhals spitting cobra. (Source: Wikipedia.org, CC BY-SA)
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В вопросе #9 дважды повторяется один и тот же ответ. В первом случае о фиксируется как неправильный,во втором случае как правильный.
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Большое спасибо. Было интересно. Водила машину 40 лет тому назад. Можно ли В 70 лет сдать на права,интересно.
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Этих вопросов на экзаменах в Японии нет, варианты билетов есть на сайтах японских автошкол там два ответа да или нет 10 вопросов, допускается 3 неправильных ответа
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комент пользователя который прошол тест, тест дерьмо вопросы даже не близкие к реалистычным методом изключения прошол 3 раза на все 100% хотя в реальных условиях уже 2 раза не сдал
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комент пользователя который прошол тест, тест дерьмо вопросы даже не близкие к реалистычным методом изключения прошол 3 раза на все 100% хотя в реальных условиях уже 2 раза не сдал
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В тесте для вопроса "Что означает этот дорожный знак?" предлагаются два варианта ответа с одинаковым содержанием: "Предупреждение о сужении дороги слева." При этом один из них оценивается, как правильный, а второй - нет. Очевидно, один из этих вариантов должен был бы звучать: "Предупреждение о сужении дороги справа."
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Что означает этот дорожный знак? Предупреждение о дороге с односторонним движением. Предупреждение о сужении дороги слева. Предупреждение о дороге с двусторонним движением. Предупреждение о сужении дороги слева. Второй и третий вариант одинаковые показывает ошибку, возможно во втором ответе должно быть написано слово «справа»
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Я бы сказал бы тест отличный но просто перевод так себе не много путает особено два ответа одинаковые, а оно говорит не правильно хоть оба ответа правильные и еще некоторый перевод просто смешной и не поймешь, какой правильный ответ. Просто на угад, почему так смысл ответа размытый. А так отлично.
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Переводчик решил пофантазировать на тему- скрещивания оленей, на самом деле предупреждение- будьте внимательны - ОЛЕНИ, их много в Канаде!
Здравствуйте! Возможно ли в Бельгии где-то здать на права на русском или украинском языках?
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Тест хуйня так как такие дорожные знаки я не видел вот а сайт гавна взял и сам свои добавил всё
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В пятом вопросе два раза написано сужение дороги слева, а нужно выбрать только один вариант - это описка или ловушка?
1. Предупреждение о сужении дороги слева. Два одинаковых ответа. 2. Парковка разрешева. При правильном ответе - защитывает ошибку.
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ОТВЕТЫ НА НЕКОТОРЫЕ ПРАВЕЛЬНЫЕ ОТВЕТЫ ПОКАЗУЕТ НЕПРАВЕЛЬНЫЙ ОТВЕТ Б ТАКЖЕ ИПРИСУТСТВУЕТ НЕ ПРАВЕЛЬНЫЙ ПЕРЕВОД
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Traffic-rules.com замечательный сайт! Я бы сказала самый лучший и самый удобный для изучения правил вождения автомобиля. Мне очень нравится.
Очень много ошибок в изображении знаков, а так же был вопрос с одинаковыми вариантами ответов.
Jul 08, 2024
