0_Wizard
I love snakes. They are cute little legless reptiles.
Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes.
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Snake
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Snake
Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Like all 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 with their highly mobile jaws. 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.
Tetrapod
The superclass Tetrapoda (from Greek: τετρα- "four" and πούς "foot") contains the four-limbed vertebrates known as tetrapods (); it includes living and extinct amphibians, reptiles (including dinosaurs, and its subgroup birds) and mammals (including primates, and all hominid subgroups including humans), as well as earlier extinct groups. Tetrapods evolved from a group of animals known as the Tetrapodomorpha, who in turn evolved from ancient Sarcopterygii lobe-finned fishes around 390 million years ago in the middle Devonian period; their forms were transitional between lobe-finned fishes and the four-limbed tetrapods.
Reptile
Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. Because some reptiles are more closely related to birds than they are to other reptiles (e.g., crocodiles are more closely related to birds than they are to lizards), the traditional groups of "reptiles" listed above do not together constitute a monophyletic grouping (or clade). For this reason, many modern scientists prefer to consider the birds part of Reptilia as well, thereby making Reptilia a monophyletic class.
Burton's legless lizard
Burton's legless lizard ("Lialis burtonis") is a species of lizard in the family Pygopodidae. The species lacks forelegs and has only rudimentary hind legs. Pygopodid lizards are also referred to as "legless lizards", "flap-footed lizards" and "snake-lizards". This species is endemic to Australia and Papua New Guinea. The specific name, "burtonis", is in honour of British army surgeon Edward Burton (1790–1867). Burton’s legless lizard ("Lialis burtonis") is a member of the genus "Lialis" within the family Pygopodidae. There are approximately 40 species in the family Pygopodidae, however, Burton’s legless lizard and another species ("L. jicari") are the only species that fall within genus "Lialis".
Lizard
Lizards are a widespread group of squamate reptiles, with over 6,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic as it excludes the snakes and Amphisbaenia which are also squamates. Lizards range in size from chameleons and geckos a few centimeters long to the 3 meter long Komodo dragon. Most lizards are quadrupedal, running with a strong side-to-side motion. Others are legless, and have long snake-like bodies. Some such as the forest-dwelling "Draco" lizards are able to glide. They are often territorial, the males fighting off other males and signalling, often with brightly colours, to attract mates and to intimidate rivals.
Lepidosauria
The Lepidosauria (from Greek meaning "scaled lizards") are reptiles with overlapping scales. This subclass includes Squamata and Rhynchocephalia. It is a monophyletic group and therefore contains all descendents of a common ancestor. Squamata includes snakes, lizards, and amphisbaenia. Rhynchocephalia was a widespread and diverse group 220-100 million years ago; however, it is now represented only by the genus "Sphenodon", which contains two species of tuatara, native to New Zealand. Lepidosauria is the sister taxon to Archosauria, which includes Aves and Crocodilia. Lizards and snakes are the most speciose group of Lepidosaurs and, combined, contain over 9,000 species.
Natural history of Trinidad and Tobago
Trinidad and Tobago are continental islands with a geologically very recent history of direct land bridge connection to South America. As a result, unlike most of the Caribbean Islands, Trinidad and Tobago supports a primarily South American flora and fauna and has greater diversity of plant and animal species than the Antilles. However, rates of endemism are lower than in the rest of the Caribbean because there has been less time for genetic isolation from mainland populations because of the history of land bridge connections and hence fewer opportunities for speciation, and so a greater proportion of the species in Trinidad and Tobago are also found on the South American mainland.
1_Apprentice
Oh nooo!  We don't even say that word in my house.  They are called "S's" here.
0_Wizard
Snakes aren't that dangerous. Their venom isn't lethal except for a few breeds.
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List of dangerous snakes
List of dangerous snakes: Is an overview of the snakes that pose a significant health risk to humans, through snakebites or other physical trauma. The varieties of snake that most often cause serious snakebites depends on the region of the world. In Africa the most dangerous species include mambas, Egyptian cobras, puff adders, and carpet vipers; in the Middle East the species of greatest concern are carpet vipers and elapids; in Central and South America, "Bothrops" (including the terciopelo or fer-de-lance) and "Crotalus" (rattlesnakes) are of greatest concern. In South Asia it has historically been believed that Indian cobras, common kraits, Russell's viper and carpet vipers were the most dangerous species, however other snakes may also cause significant problems in this area of the world.
Snake venom
Snake venom is highly modified saliva containing zootoxins which facilitates the immobilization and digestion of prey, and defends against threats. It is injected by unique fangs after a bite, and some species are also able to spit. The glands that secrete the zootoxins are a modification of the parotid salivary gland found in other vertebrates, and are usually situated on each side of the head, below and behind the eye, and encapsulated in a muscular sheath. The glands have large alveoli in which the synthesized venom is stored before being conveyed by a duct to the base of channeled or tubular fangs through which it is ejected.
Snakebite
A snakebite is an injury caused by the bite of a snake, especially a venomous snake. A common symptom of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. Sometimes venom injection from the bite may occur. This may result in redness, swelling, and severe pain at the area, which may take up to an hour to appear. Vomiting, trouble seeing, tingling of the limbs, and sweating may result. Most bites are on the hands or arms. Fear following a bite is common with symptoms of a racing heart and feeling faint. The venom may cause bleeding, kidney failure, a severe allergic reaction, tissue death around the bite, or breathing problems.
Snake
Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Like all 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 with their highly mobile jaws. 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.
Evolution of snake venom
Venom in snakes and some lizards is a form of saliva that has been modified into venom over its evolutionary history. In snakes, venom has evolved to kill or subdue prey, as well as to perform other diet-related functions. The evolution of venom is thought to be responsible for the enormous expansion of snakes across the globe. The evolutionary history of snake venom is a matter of debate. The common view of this history before 2014 was that venom originated just once among all Toxicofera approximately 170 million years ago, and then diversified into the wide range of venoms seen today. Under this hypothesis, the original toxicoferan venom was a very simple set of proteins that were assembled in a pair of glands.
Inland taipan
The inland taipan ("Oxyuranus microlepidotus"), also commonly known as the western taipan, the small-scaled snake, or the fierce snake, is an extremely venomous snake of the taipan ("Oxyuranus") genus, and is endemic to semi-arid regions of central east Australia. Aboriginal Australians living in those regions named the snake "Dandarabilla". It was first described by Frederick McCoy in 1879 and then by William John Macleay in 1882, but for the next 90 years, it was a mystery species to the scientific community. No more specimens were found, and virtually nothing was added to the knowledge of this species until its rediscovery in 1972.
Venom
Venom is a form of toxin secreted by an animal for the purpose of causing harm to another. The potency of different venoms varies; lethal venoms are often characterised by the median lethal dose (LD, LD50, or LD-50), expressed in terms of mass fraction ("e.g. ", milligrams of toxin per kilogram of body mass), that will kill 50% of the target of a specified type ("e.g. ", laboratory mice). Utilization of venom across a large number of species demonstrates an example of convergent evolution and a homoplastic trait. It is difficult to conclude exactly how this trait came to be so intensely widespread and diversified.
1_Apprentice
Well I live in the south and we have plenty that are poisonous.  I cannot stand how they slitter around quietly and then can strike without warning.
0_Wizard
Luckily we don't have many seriously venomous snakes in the United States. Other regions have much worse.
The varieties of snake that most often cause serious snakebites depends on the region of the world.
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List of dangerous snakes
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Snake
Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Like all 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 with their highly mobile jaws. 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.
List of dangerous snakes
List of dangerous snakes: Is an overview of the snakes that pose a significant health risk to humans, through snakebites or other physical trauma. The varieties of snake that most often cause serious snakebites depends on the region of the world. In Africa the most dangerous species include mambas, Egyptian cobras, puff adders, and carpet vipers; in the Middle East the species of greatest concern are carpet vipers and elapids; in Central and South America, "Bothrops" (including the terciopelo or fer-de-lance) and "Crotalus" (rattlesnakes) are of greatest concern. In South Asia it has historically been believed that Indian cobras, common kraits, Russell's viper and carpet vipers were the most dangerous species, however other snakes may also cause significant problems in this area of the world.
Snakebite
A snakebite is an injury caused by the bite of a snake, especially a venomous snake. A common symptom of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. Sometimes venom injection from the bite may occur. This may result in redness, swelling, and severe pain at the area, which may take up to an hour to appear. Vomiting, trouble seeing, tingling of the limbs, and sweating may result. Most bites are on the hands or arms. Fear following a bite is common with symptoms of a racing heart and feeling faint. The venom may cause bleeding, kidney failure, a severe allergic reaction, tissue death around the bite, or breathing problems.
Epidemiology of snakebites
Most snakebites are caused by non-venomous snakes. Of the roughly 3,000 known species of snake found worldwide, only 15% are considered dangerous to humans. Snakes are found on every continent except Antarctica. There are two major families of venomous snakes, Elapidae and Viperidae. Three hundred twenty five species in 61 genera are recognized in the family Elapidae and 224 species in 22 genera are recognized in the family Viperidae, In addition, the most diverse and widely distributed snake family, the colubrids, has approximately 700 venomous species, but only five genera—boomslangs, twig snakes, keelback snakes, green snakes, and slender snakes—have caused human fatalities.
Kitefin shark
The kitefin shark or seal shark ("Dalatias licha") is a species of dogfish shark in the family Dalatiidae, and the only species in its genus. It is found sporadically around the world, usually close to the sea floor at depths of . With a sizable oil-filled liver to maintain neutral buoyancy, this shark is able to cruise slowly through the water while expending little energy. The kitefin shark has a slender body with a very short, blunt snout, large eyes, and thick lips. Its teeth are highly differentiated between the upper and lower jaws, with the upper teeth small and narrow and the lower teeth large, triangular, and serrated.
Snake scale
Snakes, like other reptiles, have a skin covered in a scale. Snakes are entirely covered with scales or scutes of various shapes and sizes, known as snakeskin as a whole. A scale protects the body of the snake, aids it in locomotion, allows moisture to be retained within, alters the surface characteristics such as roughness to aid in camouflage, and in some cases even aids in prey capture (such as "Acrochordus"). The simple or complex colouration patterns (which help in camouflage and anti-predator display) are a property of the underlying skin, but the folded nature of scaled skin allows bright skin to be concealed between scales then revealed in order to startle predators.
Snake venom
Snake venom is highly modified saliva containing zootoxins which facilitates the immobilization and digestion of prey, and defends against threats. It is injected by unique fangs after a bite, and some species are also able to spit. The glands that secrete the zootoxins are a modification of the parotid salivary gland found in other vertebrates, and are usually situated on each side of the head, below and behind the eye, and encapsulated in a muscular sheath. The glands have large alveoli in which the synthesized venom is stored before being conveyed by a duct to the base of channeled or tubular fangs through which it is ejected.