The Pythonidae, commonly known as pythons, are a family of nonvenomous snakes found in Africa, Asia, and Australia. Among its members are some of the largest snakes in the world. Ten genera and 39 species are currently recognized. Being naturally non-venomous, pythons must constrict their prey to suffocate it prior to consumption. Pythons will typically strike at and bite their prey of choice to gain hold of it; they then must use physical strength to constrict their prey, by coiling their muscular bodies around the animal, effectively suffocating it before swallowing whole. This is in stark contrast to venomous snakes such as the rattlesnake, for example, which delivers a swift, venomous bite but releases, waiting as the prey succumbs to envenomation before being consumed. Collectively, the pythons are well-documented and -studied as constrictors, much like other non-venomous snakes, including the boas and even kingsnakes of the New World.
The reticulated python is a python species native to South and Southeast Asia. It is the world's longest snake, and the third heaviest after the green anaconda and Burmese python. It is listed as least concern on the IUCN Red List because of its wide distribution. In several countries in its range, it is hunted for its skin, for use in traditional medicine, and for sale as pets. Due to this, reticulated pythons are one of the most economically important reptiles worldwide.
Antaresia is a genus of pythons, nonvenomous snakes in the family Pythonidae. The genus is native to Australasia. The genus is known by the common name Children's pythons, the name of the type species, Antaresia childreni. Gray named A. childreni in honour of his mentor, John George Children, who was a curator of the zoological collection at the British Museum around that time. It contains the smallest members of the Pythonidae. Four species and two subspecies are recognized, although they were all considered part of the same species until recently. A newly described form called the pygmy banded python may be a distinct species, but analysis has not yet been performed on this animal. The largest recorded examples of Antaresia species have all been males, suggesting males of the known species in this genus may compete for females. This behavior has never been witnessed in the wild, and has only been witnessed in captive specimens.
Leiopython is a genus of snakes in the family Pythonidae.
Constriction is a method used by several snake species to kill or subdue their prey. Although some species of venomous and mildly venomous snakes do use constriction to subdue their prey, most snakes which use constriction lack venom. The snake strikes at its prey and holds on, pulling the prey into its coils or, in the case of very large prey, pulling itself onto the prey. The snake then wraps one or two loops around the prey, forming a constriction coil. The snake monitors the prey's heartbeat to ascertain it is dead. This can be a physically demanding and potentially dangerous procedure for the snake, because its metabolism is accelerated up to sevenfold and it becomes vulnerable to attack by another predator.
The Green tree Python, is a species of snake in the family Pythonidae. The species is native to New Guinea, some islands in Indonesia, and the Cape York Peninsula in Australia. First described by Hermann Schlegel in 1872, it was known for many years as Chondropython viridis. As its common name suggests, it is a bright green snake that can reach a total length of 2 m (6.6 ft) and a weight of 1.6 kg (3.5 lb), with females slightly larger and heavier than males. Living generally in trees, the green tree python mainly hunts and eats small reptiles and mammals. It is a popular pet, and numbers in the wild have suffered with large-scale smuggling of wild-caught green tree pythons in Indonesia. Despite this, the green tree python is rated as least concern on the IUCN Red List of endangered species.
Henophidia is a former superfamily of the suborder Serpentes (snakes) that contains boas, pythons and numerous other less-well-known snakes.
The Calabar python is a species of non-venomous snake in the family Boidae. The species is endemic to West and Central Africa. It is the only species in its genus.
Python is a genus of constricting snakes in the Pythonidae family native to the tropics and subtropics of the Eastern Hemisphere.
Pelvic spurs are external protrusions found around the cloaca in certain superfamilies of snakes belonging to the greater infraorder Alethinophidia. These spurs are made up of the remnants of the femur bone, which is then covered by a corneal spur, or claw-like structure. This femur derives from ancestral hind limbs found in the most recent common ancestor of modern snakes and the other reptiles of the clade Toxicofera, many of which have fully functional front and hind limbs. Due to the fact that the spurs derive from the ancestral state of functional legs, but are no longer functional for locomotion specifically, these structures meet the criteria for being considered vestigial. Nonetheless, uses for the structures have been thoroughly documented. Species that have external spurs have corresponding muscles, neurological structures, and vascularization to allow for independent movement. The spurs are more pronounced and visible in male specimens and have been observed in use during courtship behavior. The spurs are specifically used in the clasping and stimulation of females by males during courtship and mating. In certain species, males will also use their spurs to engage in combat with one another.
Raymond Terrence Hoser is an Australian snake-catcher and author.
The Alethinophidia are an infraorder of snakes that includes all snakes other than blind snakes and thread snakes. Snakes have long been grouped into families within Alethinophidia based on their morphology, especially that of their teeth. More modern phylogenetic hypotheses using genetic data support the recognition of 19 extant families, although the taxonomy of alethinophidian snakes has long been debated, and ultimately the decision whether to assign a particular clade to a particular Linnaean rank is arbitrary.
Simalia is a genus of snakes in the family Pythonidae.
The Pythonoidea, also known as pythonoid snakes, are a superfamily of snakes that contains pythons and other closely related python-like snakes. As of 2022, Pythonoidea contains 39 species, including the eponymous genus Python and 10 other genera of pythons, all in the family Pythonidae, as well as two lesser-known families, Loxocemidae and Xenopeltidae.
The Timor python is a python species found in Southeast Asia. A dwarf species, no subspecies are recognized as being valid. Like all pythons, it is a nonvenomous constrictor; unlike larger species such as the reticulated python, it is not considered dangerous to humans.
Simalia tracyae, the Halmahera python, is a species of python found only on the Indonesian island of Halmahera. It belongs to the family Pythonidae and the genus Simalia. This snake was previously believed to have belonged to the Simalia amesthistina species; however, studies in recent years have caused scientists to distinguish between the two types of snakes, resulting in the reclassification of the Halmahera python as its own species.
D'Albertis' python, also known commonly as D'Albert's water python or the northern white-lipped python, is a species of python, a non-venomous snake in the family Pythonidae. The species is endemic to New Guinea. There are no subspecies that are recognized as being valid.
The Wells and Wellington affair was a dispute about the publication of three papers in the Australian Journal of Herpetology in 1983 and 1985. The periodical was established in 1981 as a peer-reviewed scientific journal focusing on the study of amphibians and reptiles (herpetology). Its first two issues were published under the editorship of Richard W. Wells, a first-year biology student at Australia's University of New England. Wells then ceased communicating with the journal's editorial board for two years before suddenly publishing three papers without peer review in the journal in 1983 and 1985. Coauthored by himself and high school teacher Cliff Ross Wellington, the papers reorganized the taxonomy of all of Australia's and New Zealand's amphibians and reptiles and proposed over 700 changes to the binomial nomenclature of the region's herpetofauna.
