"core alethinophidians, uropeltids (""Cylindrophis"", ""Anomochilus"", uropeltines), macrostomatans, booids, boids, pythonids and caenophidians. While snakes are limbless reptiles, which evolved from (and are grouped with) lizards, there are many other species of lizards which have lost their limbs independently and superficially look similar to snakes. These include the slowworm and glass snake. The now extinct ""Titanoboa cerrejonensis"" snakes found were in length. By comparison, the largest extant snakes are the reticulated python, which measures about long, and the green anaconda, which measures about long and is considered the heaviest snake on Earth at . At the other end of the scale,"
"Eastern diamondback rattlesnake Crotalus adamanteus, commonly called the eastern diamondback rattlesnake, among other names, is a species of venomous pit viper in the family Viperidae. The species is endemic to the southeastern United States. It is the heaviest, though not the longest, venomous snake in the Americas and the largest rattlesnake. No subspecies are recognized. ""C. adamanteus"" is the largest rattlesnake species and is the heaviest known species of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight. The much longer but more slender king"
"in adulthood than the male, which averages around . Weights are less well studied, though will reportedly range from in an average-range adult. It is the largest snake native to the Americas. Although it is slightly shorter than the reticulated python, it is far more robust: the bulk of a 4.5 m green anaconda would be comparable to a 7.4 m reticulated python. ""Eunectes murinus"" is probably the heaviest extant species of snake or squamate in the world, perhaps only rivaled by the Komodo dragon. Reports of anacondas 35–40 feet or even longer also exist, but such claims need to"
"and that in 1869, the Englishman John Ray wrote of ""anacandaia of the Ceylonese, i.e., he that crushes the limbs of the buffaloes and yoke beasts."" For more than one hundred years the name was applied to a (python) snake from Ceylon, but in the nineteenth century experts began to use it for a snake residing in the Amazon basin. The green anaconda is the world's heaviest and one of the world's longest snakes, reaching long. More typical mature specimens reportedly can range up to , with the females, at around a mean length of , being generally much larger"
"that causes them to rapidly mutate into gigantic snakes. A more positive depiction of the anaconda exists in the short stories ' and ' (""The Return of Anaconda"") by Horacio Quiroga, which are told from the anaconda's point of view. Green anaconda The green anaconda (""Eunectes murinus""), also known as common anaconda and water boa, is a non-venomous boa species found in South America. It is the heaviest and one of the longest known extant snake species. The term ""anaconda"" often refers to this species, though the term could also apply to other members of the genus ""Eunectes"". The green"
"red-tail was photographed killing a “fairly large” eastern diamondback rattlesnake (""Crotalus adamanteus""), this being North America’s heaviest snake and the heaviest venomous snake in the Americas at a large mature size of about . For the eastern indigo snakes (""Drymarchon couperi""), North America’s longest native snake, usually young and small ones are reportedly at risk. In North America, fewer lizards are typically recorded in the foods of red-tailed hawk than are snakes, probably because snakes are considerably better adapted to cooler, seasonal weather, with an extensive diversity of lizards found only in the southernmost reaches of the contiguous United States."
"large, venomous snakes growing up to in length in the largest specimens, although is a more typical length for an average adult. It is exceeded in length among venomous snakes only by the Asiatic king cobra, some species of African mambas, genus ""Lachesis"" (bushmasters) of the American neotropics, and the Australian taipan. A good-sized adult mulga snake of length can weigh , and mulga snakes are often heavier than the co-occurring taipans. The colour of the snakes differs from area to area within their range; they can be a light brown colour in the desert to a dark, brown-blackish colour"
"bodies in a weekly inoculation that potentially might protect them from the snake, though no scientific evidence supports this. Cobra stones or gems or pearls are believed to develop from the cobra's hood. King cobra The king cobra (""Ophiophagus hannah""), also known as the hamadryad, is a venomous snake species in the family Elapidae, endemic to forests from India through Southeast Asia. It is threatened by habitat destruction and has been listed as Vulnerable on the IUCN Red List since 2010. It is the world's longest venomous snake. Adult king cobras are long. The longest known individual measured . Despite"
"to 110 cm (3.6 feet) in size. They are viviparous, giving birth to live young rather than laying eggs. They have medium aggressiveness, i.e., will bite if provoked, but not spontaneously. The fangs are 1.8 mm long, which are relatively short for a snake, and the venom yield is 0.43 mg. ""Aipysurus duboisii"" is a crepuscular species, meaning that they are most active at dawn and dusk. It is the most venomous sea snake, and one of the top three most venomous snakes in the world. The specific name, ""duboisii"", is in honor of Belgian naturalist Charles Frédéric Dubois. Adults"
"Anaconda Anacondas are a group of large snakes of the genus ""Eunectes"". They are found in tropical South America. Four species are currently recognized. Although the name applies to a group of snakes, it is often used to refer only to one species in particular, the common or green anaconda (""Eunectes murinus"") which is the largest snake in the world by weight, and the second longest. The South American names ""anacauchoa"" and ""anacaona"" were suggested in an account by Peter Martyr d'Anghiera but the idea of a South American origin was questioned by Henry Walter Bates who, in his travels"
"Green anaconda The green anaconda (""Eunectes murinus""), also known as common anaconda and water boa, is a non-venomous boa species found in South America. It is the heaviest and one of the longest known extant snake species. The term ""anaconda"" often refers to this species, though the term could also apply to other members of the genus ""Eunectes"". The green anaconda's scientific name is derived from the Greek , meaning ""good swimmer"", and the Latin """", meaning ""of mice"", for being thought to prey on mice. ""The name first was probably from the Sinhala language of Sri Lanka, formerly Ceylon,"
"well adapted to eating venomous spiders and eating other snakes, including all venomous snakes. Mulga snake The mulga snake (""Pseudechis australis"") is a species of venomous snake found in Australia. It is one of the longest venomous snakes in the world, and is the second-longest in Australia (surpassed only by the coastal taipan). Its alternative common name is king brown snake, although it is a species in the genus ""Pseudechis"" (black snakes) and only distantly related to true brown snakes. The species was first described by John Edward Gray in 1842, who placed it in the genus ""Naja"" (cobras). In"
"King cobra The king cobra (""Ophiophagus hannah""), also known as the hamadryad, is a venomous snake species in the family Elapidae, endemic to forests from India through Southeast Asia. It is threatened by habitat destruction and has been listed as Vulnerable on the IUCN Red List since 2010. It is the world's longest venomous snake. Adult king cobras are long. The longest known individual measured . Despite the word ""cobra"" in its common name, this species does not belong to genus ""Naja"" but is the sole member of its own. It preys chiefly on other snakes and occasionally on some"
"years at the Serpent Safari was confirmed by Guinness World Records as the heaviest living snake in captivity, weighing . After death, her actual length was determined to be 5.74 m (18 ft 10 in) which is the maximum length record for this species so far. Serpent Safari Serpent Safari was a reptile zoo located inside the Gurnee Mills Mall in Gurnee, Illinois, a suburb of Chicago, Illinois. The zoo advertised itself as ""America's Finest Reptile Zoo."" The zoo housed some of the rarest reptiles, including the world's heaviest snake (over 375 lbs. as of Feb. 2010), a rare albino"
"the green anaconda. The African species may be the second heaviest living snake with some authors agreeing that it can exceptionally exceed . One specimen, reportedly in length, was killed by K. H. Kroft in 1958 and was claimed to have had a juvenile Nile crocodile in its stomach. An even larger specimen considered authentic was shot in The Gambia and measured . The snake varies considerably in body size between different areas. In general, it is smaller in highly populated regions, such as in southern Nigeria, only reaching its maximum length in areas such as Sierra Leone, where the"
"Giant garter snake The giant garter snake (""Thamnophis gigas"") is the largest species of garter snake. Relatively rare, it is a semi-aquatic snake with a limited distribution in the wetlands of central California. The giant garter snake is the largest species of garter snake, with the adult snakes ranging from in length. As with many snakes, the female giant garter snakes tend to be longer and larger than the males. The snakes have keeled scales, with a yellow dorsal stripe against a black or dark grey background, and two additional yellow stripes on either side that run the length of"
"Reticulated python The reticulated python (""Python reticulatus"") is a species of python found in South Asia and Southeast Asia. They are the world's longest snakes and longest reptiles, and among the three heaviest snakes. Like all pythons, they are nonvenomous constrictors. There have been people who have been killed (and in at least two reported cases, eaten) by reticulated pythons. An excellent swimmer, ""P. reticulatus"" has been reported far out at sea and has colonized many small islands within its range. The specific name, ""reticulatus"", is Latin meaning ""net-like"", or , and is a reference to the complex colour pattern."
"at and weighed after not having eaten for nearly 3 months. Widely published data of specimens that were reported to be several feet longer have not been confirmed. The specimen once widely accepted as the largest-ever ""accurately"" measured snake, that being Colossus, a specimen kept at the Highland Park Zoo (now the Pittsburgh Zoo and PPG Aquarium) in Pittsburgh, Pennsylvania, during the 1950s and early 1960s, with a peak reported length of from a measurement in November 1956, was later shown to have been substantially shorter than previously reported. When Colossus died on April 14, 1963, its body was deposited"
"Rough-scaled snake The rough-scaled snake (""Tropidechis carinatus"") is a highly venomous Australian elapid. The animal's name comes from its scales that are raised above the surrounding scales and have rough texture. The scales are known as ""keels"". Have just found a specimen that measured 97cm in Nth Qld. A 2016 genetic analysis showed that the closest relative of the rough-scaled snake is the tiger snake (""Notechis"" spp.). The snake is brown to olive with narrow, irregular cross-bands or blotches of darker brown. The belly surfaces are greenish-grey or olive-cream, often with darker blotches. The mid-body scales have a raised keel"
"snake species in the United States. The longest recorded specimen measured in total length (including tail). Unlike many snakes, mature male indigo snakes are slightly larger than females. A typical mature male measures in total length, with a reported average of , and weighs , reportedly averaging . Meanwhile, a mature female typically measures around in total length, averaging , and weighs , averaging . In specimens over , these snakes can weigh up to . Although the indigo snake is similar in average body mass, extremely large specimens of the bulky, co-occurring venomous eastern diamondback rattlesnake can outweigh them."
"adult snake's length typically ranges from but specimens have grown to lengths of . It is the second longest venomous snake species, exceeded in length only by the king cobra. The black mamba is a proteroglyphous (front-fanged) snake, with fangs up to in length. located at the front of the maxilla. The tail of the species is long and thin, making up 17–25% of its body length. Black mambas weigh about on average. Specimens vary considerably in colour; some may be olive, yellowish-brown, khaki or gunmetal, but are rarely black. Some individuals may a have a purplish glow to their"
"Gigantophis Gigantophis garstini is an extinct giant snake. Before the Paleocene constrictor genus ""Titanoboa"" was described from Colombia in 2009, ""Gigantophis"" was regarded as the largest snake ever. ""Gigantophis"" lived about 40 million years ago in the northern Sahara, where Egypt and Algeria are now located. Jason Head, of the Smithsonian Institution in Washington, DC, has compared fossil ""Gigantophis"" vertebrae to those of the largest modern snakes, and concluded that the extinct snake could grow from in length. If , it would have been more than 10% longer than its largest living relatives. Later estimates, based on allometric equations scaled"
"snake species are commonly caught. This can likely be attributed to the snakes' preference for the shallow rocky waters of local estuaries that are not fished for prawns. Hydrophis donaldi Hydrophis donaldi, or the rough-scaled sea snake is a unique species of sea snakes from Australia's Gulf of Carpentaria first described for the scientific literature in 2012. It is a yellow to brown, striped snake that reaches up to a meter in length. It gives live birth and is venomous enough to be dangerous to humans. The primary distinguishing trait of the rough-scaled sea snake is the presence of a"
"take prey. The rough-scaled snake is a highly venomous snake. Its venom is a fast acting powerful neurotoxin that is both presynaptic and post-synaptic. It has potent post-synaptic neurotoxins as well as potent pre-synaptic neurotoxins. It also has potent coagulants as well as myotoxins. It will readily bite and is known for its foul disposition and defensive nature. Several fatalities have occurred due to this species and it will strike rapidly in defense. Rough-scaled snake The rough-scaled snake (""Tropidechis carinatus"") is a highly venomous Australian elapid. The animal's name comes from its scales that are raised above the surrounding scales"
"vs intravenous vs intraperitoneal). As the mode can influence the relative number, venoms can only be compared within a mode. Otherwise, its apples and rocks."". Studies on mice and human cardiac cell culture shows that venom of the inland taipan, drop by drop, is the most toxic among all snakes; land or sea. The most venomous sea snake is actually Dubois' seasnake (""Aipysurus duboisii"" ). The belcher's sea snake is of moderate size, ranging from 0.5 to 1 meter (about 20–40 inches) in adult length. Its thin body is usually chrome yellowish in colour with dark greenish crossbands. The dorsal"
"Hydrophis donaldi Hydrophis donaldi, or the rough-scaled sea snake is a unique species of sea snakes from Australia's Gulf of Carpentaria first described for the scientific literature in 2012. It is a yellow to brown, striped snake that reaches up to a meter in length. It gives live birth and is venomous enough to be dangerous to humans. The primary distinguishing trait of the rough-scaled sea snake is the presence of a single spine on every scale covering the snake's body. The snake's tough, spiny scales may protect it from being buffeted against the rocks of its stony estuary habitats"
"(""Ahaetulla pulverulenta"") and somehow got misapplied to the python before myths were created. The name commonly used for the anaconda in Brazil is ""sucuri"", ""sucuriju"" or ""sucuriuba"". The term ""anaconda"" has been used to refer to: Anaconda Anacondas are a group of large snakes of the genus ""Eunectes"". They are found in tropical South America. Four species are currently recognized. Although the name applies to a group of snakes, it is often used to refer only to one species in particular, the common or green anaconda (""Eunectes murinus"") which is the largest snake in the world by weight, and the"
"neurotoxins, and may also contain myotoxins. This snake is often overlooked, but it is a medically important species, as it has caused many bites. The mortality rate associated with it is not known, but is said to be quite high. Greater black krait The greater black krait (""Bungarus niger""), also known commonly as the black krait, is a species of krait, a venomous snake in the family Elapidae. The species is endemic to South Asia. ""B. niger"" is medium in length, slender-bodied, and triangular in cross-section, with a short, pointed tail. It can grow to a maximum total length (including"
"snakes. The genus belongs to the snake family Colubridae, the largest snake family, with member species being found on every continent except Antarctica. ""L. cavernicolus"" has a flat head that is distinct from its neck, with an elongated snout. The nostrils are in the middle of the nasal scale, and large. The eyes are also large, with a vertical, elliptical pupil. The body is somewhat compressed from side to side. A holotype had a total length of 50.8 centimeters. The body is light brown, with bands of a lighter share. 36 bands are on the back and 29 on the"
"Bullsnake The bullsnake (""Pituophis catenifer sayi"") is a large non-venomous colubrid snake. It is currently considered a subspecies of the gopher snake (""Pituophis catenifer""). The bullsnake is one of the largest/longest snakes of North America and the United States reaching lengths up to 8ft long. The subspecific name, ""sayi"", is in honor of American naturalist Thomas Say.<br> Bullsnakes are endemic species of Mexico and there are called ""cincuate"", (/sentli/; Náhuatl: corn, /coatl/; Náhuatl: snake). Bullsnakes can be found throughout the Great Plains and central United States (CO, IA, MO, MT, ND, NE, NM, OK, SD, TX, WY), central and northern"
"Titanoboa Titanoboa, is an extinct genus of very large snakes that lived in what is now La Guajira in northeastern Colombia. They could grow up to long and reach a weight of . Fossils of ""Titanoboa"" have been found in the Cerrejón Formation, and date to around 58 to 60 million years ago. The giant snake lived during the Middle to Late Paleocene epoch, a 10-million-year period immediately following the Cretaceous-Paleogene extinction event. The only known species is ""Titanoboa cerrejonensis"", the largest snake ever discovered, which supplanted the previous record holder, ""Gigantophis"". The name ""Titanoboa"" means ""titanic boa"". The species"
"Toxicocalamus Toxicocalamus is a genus of snakes in the family Elapidae. Most species are relatively small, the largest specimen known being the holotype of the recently described ""Toxicocalamus ernstmayri"", which measures 1.1 m snout to vent (SVL) and 1.2 m in total length (TTL), with the second longest the holotype of ""T. grandis"" (880 mm SVL, 980 mm TTL). Most species are under 800 mm in length and several are the thickness of bootlaces. In general females have longer bodies than males, but much shorter tails. Members of genus ""Toxicocalamus"" are venomous, with fixed front-fangs (a dental arrangement known as"
"sequences showed it to be the sister species of the two previously known taipans. The two other described species of ""Oxyuranus"" are among the most venomous land snakes in the world - ""Oxyuranus microlepidotus"" ranked the most venomous land snake and ""Oxyuranus scutellatus"" the third most venomous after ""Pseudonaja textilis"". The new species, ""O. temporalis"", is likely to be extremely venomous given its close relationship to the other two species. As the new species is known from the single specimen, very little is known of its natural history, and nothing of its venom. In May 2010, a second specimen of"