C
Species Profile

Children’s python

Antaresia childreni

Small python, big night hunter
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Children’s python Distribution

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Endemic Species
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Found in 1 country

children's python

At a Glance

Wild Species
Diet Carnivore
Activity Nocturnal+
Lifespan 12 years
Weight 1 lbs
Status Least Concern
Did You Know?

Despite the name, it's named after British zoologist John George Children (not because it's a "kid" snake).

Scientific Classification

Children's python (Antaresia childreni) is a small, non-venomous Australian python known for its manageable size and generally docile temperament; it is a nocturnal constrictor that feeds primarily on small vertebrates.

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Pythonidae
Genus
Antaresia
Species
Antaresia childreni

Distinguishing Features

  • Small-bodied python (relative to many other pythons) in genus Antaresia
  • Non-venomous constrictor; heat-sensing labial pits typical of pythons
  • Often shows variable brown/tan patterning; can be confused with other Antaresia species without locality/pattern details

Physical Measurements

Males and females differ in size

Length
2 ft 4 in (1 ft 10 in – 3 ft 3 in)
2 ft 6 in (1 ft 12 in – 3 ft 3 in)
Weight
1 lbs (0 lbs – 1 lbs)
1 lbs (0 lbs – 1 lbs)
Tail Length
5 in (2 in – 7 in)

Appearance

Primary Colors
Secondary Colors
Skin Type Dry, smooth, glossy overlapping scales typical of pythons; frequently shows a reflective/iridescent sheen under direct light. Heat-sensing labial pits present along the lips (Pythonidae trait) (Cogger, 2014).
Distinctive Features
  • Small Australian python (genus Antaresia); generally slender-bodied with a relatively small, slightly distinct head and smooth, glossy scalation (Cogger, 2014).
  • Adults commonly around ~0.7-1.0 m total length; maximum reported about ~1.2 m (field-guide compiled values) (Cogger, 2014; Wilson & Swan, 2021).
  • Non-venomous constrictor; nocturnal/crepuscular habits-often shelters in rock crevices, hollows, or human structures by day and hunts at night (Cogger, 2014).
  • Native to northern Australia, especially the Top End and Northern Territory. Location helps tell it apart from other Antaresia species (e.g., A. perthensis in SW WA, A. maculosa farther east).
  • Diet primarily small vertebrates (notably small mammals, birds, and lizards depending on availability); kills prey by constriction (Cogger, 2014).
  • Children's python (Antaresia childreni) often lives about 20 years in captivity; some reach 25–30 years with good care. Wild lifespans are shorter and not well known.

Sexual Dimorphism

Sexual dimorphism is subtle. As in many small pythons, females tend to reach slightly greater overall body size/mass, while males typically show proportionally longer tails and more prominent cloacal (pelvic) spurs (general Pythonidae pattern; noted in Antaresia husbandry/field observations).

  • Tail proportion typically longer (post-cloacal length greater relative to total length).
  • Cloacal/pelvic spurs often more prominent (used during courtship).
  • On average slightly smaller-bodied than large females, though overlap is substantial.
  • On average slightly larger/heavier-bodied; greater abdominal capacity associated with egg production (clutch-bearing females).
  • Tail proportion typically shorter relative to total length (compared with males).

Did You Know?

Despite the name, it's named after British zoologist John George Children (not because it's a "kid" snake).

Typical adult total length is about 0.7-1.0 m; a commonly reported maximum is ~1.2 m.

Hatchlings are usually ~25-30 cm long and grow quickly when food is plentiful.

Like many pythons, it has heat-sensing labial pits that help it detect warm-blooded prey in the dark.

Females lay eggs in small clutches (commonly around 5-15) and coil around them to brood and protect them.

It's one of four small Australian pythons in the genus Antaresia (with A. stimsoni, A. maculosa, and A. perthensis).

Compared with many snakes, it's often described as relatively calm in captivity when properly kept and handled.

Unique Adaptations

  • Heat-sensing labial pits: detects infrared radiation from warm prey-useful for nighttime hunting in northern Australia's rocky habitats.
  • Highly kinetic skull and stretchable ligaments: allows swallowing prey wider than the head.
  • Iridescent, smooth-looking scales: reduce friction when moving through tight rock cracks and may aid in keeping the skin clean and shed-ready.
  • Efficient water balance: like many arid-to-tropical Australian snakes, it can persist through dry spells by spending long periods in humid micro-shelters (deep crevices/termite mounds) and reducing activity.
  • Egg brooding physiology: females can protect eggs from short-term cooling and desiccation by coiling and adjusting posture/pressure.

Interesting Behaviors

  • Nocturnal ambush hunting: typically waits in cover (rock crevices, hollow logs, caves/ledges) and strikes at passing prey.
  • Constriction feeding: subdues prey by tightening body coils in sync with the prey's exhalations, then swallows head-first.
  • Maternal egg brooding: females coil tightly around eggs for protection and to stabilize temperature; pythons can generate small amounts of heat via muscular "shivering" while brooding.
  • Shelter fidelity: often returns to favored retreats, especially secure crevices that buffer daytime heat in the tropics.
  • Climbing and perching: will climb low vegetation/rock faces to hunt roosting lizards, small birds, or bats where available.
  • Seasonal activity shifts: in cooler/drier periods, activity and feeding can decrease, with more time spent sheltering.

Cultural Significance

Children's python (Antaresia childreni) helps control small mammals, birds and reptiles near rocky escarpments and woodland edges in northern Australia. It’s used in education and kept and bred under license; identified by northern range and less marked patterns than other Antaresia.

Myths & Legends

Across many Aboriginal Australian cultures, powerful ancestral serpents (often grouped under the widespread "Rainbow Serpent" tradition) are associated with creating waterways, shaping landscapes, and guarding waterholes-serpent imagery commonly aligns with large snakes, including python-like forms.

In northern Australian story traditions, snakes are frequently treated as law-keeping or boundary-enforcing beings tied to specific places (springs, gorges, and rocky country), where respectful behavior maintains balance between people, animals, and Country.

The species name Children's python (Antaresia childreni) comes from 1800s natural history stories: it was named for John George Children, showing the old custom of honoring scientists with species names.

Conservation Status

LC Least Concern

Widespread and abundant in the wild.

Population Unknown

Protected Under

  • Australia (general): Native reptiles are protected under state/territory wildlife legislation; keeping/collection typically requires permits and is regulated by jurisdiction.
  • Northern Territory: Territory Parks and Wildlife Conservation Act 2000 (protects native wildlife; regulates take/keeping).
  • Queensland: Nature Conservation Act 1992 (protects native wildlife; regulates take/keeping).
  • Western Australia: Biodiversity Conservation Act 2016 (protects native fauna; regulates take/keeping).
  • International: CITES-Pythonidae spp. are generally included in Appendix II controls (international trade regulation at the family level; applicable to pythons).
  • Sources for conservation status: IUCN Red List species account for Antaresia childreni (status: Least Concern; trend: not well documented/commonly listed as unknown).
  • HUBS (group-level context-Pythonidae / small Australo-Papuan pythons): Conservation statuses across the group range from Least Concern (many widespread taxa) to higher-risk categories (VU/EN/CR) where ranges are small, fragmented, or heavily impacted by land conversion and exploitation. Common threats include habitat loss/fragmentation (agriculture/urbanization/infrastructure), persecution, and collection for the wildlife/pet trade; climate change and altered fire regimes are emerging cross-cutting risks. Notable at-risk python species globally include several island-restricted or heavily traded taxa (status varies by species and region).

Life Cycle

Birth 7 hatchlings
Lifespan 12 years

Lifespan

In the Wild
8–20 years
In Captivity
12–30 years

Reproduction

Mating System Polygynandry
Social Structure Solitary
Breeding Pattern Transient
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Children's python (Antaresia childreni) is solitary, seasonally breeding and oviparous. Mating is polygynandry — males search and mate with several females and females may accept multiple males. Females lay clutches and stay with eggs; species-specific genetic parentage data are limited.

Behavior & Ecology

Social Solitary Group: 1
Activity Nocturnal, Crepuscular
Diet Carnivore Murid rodents (small rats and mice).
Seasonal Hibernates

Temperament

Generally non-aggressive and readily retreats when given cover; defensive behaviors (tight coiling, head-hiding, hissing, and occasional strike) are most likely when cornered or handled.
Docility is common in captive-habituated individuals; wild-caught or freshly disturbed individuals are typically more reactive (species natural history accounts: Cogger, 2014; Wilson & Swan, 2021).
Seasonal/physiological variation: gravid females and brooding females are more likely to remain in place and defend the immediate refuge/nest site rather than flee.

Communication

Hissing (forced exhalation) as a defensive warning signal.
Chemical communication via tongue-flicking and vomeronasal Jacobson's) organ to track prey and assess conspecific scent; sex pheromones are used for mate finding in snakes and inferred for Antaresia during breeding (Greene, 1997; Cogger, 2014
Tactile courtship signals: body alignment and rubbing; male cloacal spurs contact/stimulate the female during courtship and mating Pythonid-typical behavior; Greene, 1997
Vibration/bone-conduction sensing: detection of substrate vibrations for predator awareness and nearby animal movement General snake sensory ecology; Greene, 1997
Postural visual signals at close range: defensive S-neck posture, head elevation, and orientation/guarding of the head and anterior body when threatened Field-guide consensus: Cogger, 2014; Wilson & Swan, 2021

Habitat

Biomes:
Savanna Tropical Dry Forest Freshwater
Terrain:
Rocky Hilly Plains Riverine
Elevation: Up to 2952 ft 9 in

Ecological Role

Nocturnal mesopredatory constrictor in northern Australian savanna/rocky habitats.

Regulates small-vertebrate populations (notably murid rodents), contributing to local rodent control. Links trophic energy from small mammals/birds/reptiles to higher predators (it is prey for raptors, larger snakes, and varanid lizards). Contributes to food-web stability in rocky outcrops/cave-associated habitats where it may exploit concentrated prey (roosting birds/bats) when available.

Diet Details

Main Prey:
Small mammals Small birds Small reptiles Bat

Human Interaction

Domestication Status

Wild

Danger Level

Low
  • Defensive bite (typically superficial due to small adult size; risk of secondary infection if not cleaned).
  • Constrictor behavior can startle handlers; medically significant constriction of humans is not expected for this species given typical adult size (~0.9-1.2 m total length; reported maxima around ~1.5 m in husbandry/field references).
  • Zoonotic disease risk common to reptiles (e.g., Salmonella) via fecal contamination/poor hygiene.
  • Allergy/irritant exposure from substrate, mites, or disinfectants used in captive husbandry.

As a Pet

Suitable as Pet

Legality: Children's python (Antaresia childreni) is usually legal in the United States, but state/local rules may apply. In Australia you need a reptile keeper licence and proof it was captive-bred. International moves may need CITES permits.

Care Level: Easy

Purchase Cost: $150 - $600
Lifetime Cost: $2,500 - $9,000

Economic Value

Uses:
Pet trade (captive-bred live animals) Captive breeding (herpetoculture) Zoo and wildlife education/display Scientific research (behavior, physiology, ecology) Ecosystem services (predation on small vertebrates in native range)
Products:
  • live captive-bred animals
  • educational programming/value (non-consumptive)

Relationships

Predators 6

Sand goanna Varanus gouldii
Perentie Varanus giganteus
Brown falcon Falco berigora
Black-breasted buzzard Hamirostra melanosternon
Mulga snake
Mulga snake Pseudechis australis
Feral cat Felis silvestris catus

Children’s python is a species of small nonvenomous snake in the Pythonidae family.

It is a nocturnal species that, along with the Stimson’s python variant, inhabits most of the northern two-thirds of Australia. This species is popular as a pet, available from many breeders worldwide.

Amazing Facts About the Children’s Python

  • They have an extremely high tolerance for differing humidity levels – anywhere from 20%-80% is acceptable.
  • These snakes have the widest distribution of any Australian python and occur over most of the continent.
  • Snakes in the Antaresia genus are the smallest of all pythons.

Where to Find a Children’s or Stimson’s Python

Children’s python occurs in various habitats in northern Australia, while the Stimson’s python variant occurs in an even wider range, covering much of the interior of Australia all the way to the western coast. They are highly adaptable and live in coastal woodlands and plains, shrubland, inland wetlands, deserts, rocky areas, and heavily altered environments around people.

The snakes are semi-arboreal and often found climbing something, whether it’s a cave where they hunt bats, a tree where finches live, or a rock outcrop. They seem to be particularly fond of areas that offer many nooks and crannies in which to hide and hunt. Stimson’s python inhabits more arid environments than wet and strongly prefers rock outcrops, stony ranges, isolated large trees, and large termite mounds.

Both variants feed on birds, rodents, bats, frogs, skinks, and geckos. Some say that Children’s python also feeds on road kill. They’re primarily ambush predators but actively forage for prey as needed. Their mating season is during May and June, then females lay their eggs toward the end of the dry season in July and August. While the eggs develop, the female stays with her clutch to protect and keep a consistent temperature; then, about 50 days later, the babies hatch.

Children’s Python Scientific Name

Children’s python is a small python species, one of four in the Antaresia genus. The genus took its name from the red giant star Antares, which refers to Mars because of its color. A few species currently in the Antaresia genus used to be included in Morelia, but they’ve since been reclassified – giving us the four species presently listed.

This small python’s name may lead you to believe it’s perfect for children. However, contrary to what its name indicates, it’s not actually a child’s python; it’s actually named after a zoologist whose last name was Children. In 1842, John Edward Gray described the species and named it Liasis childreni, after his mentor, John George Children, who was a curator for the British museum’s Zoological Collection.

Stimson’s python, while described in 1985 as a separate species, is genetically similar to Children’s python. The differences between the two are so small, that in 2021, scientists determined that the snakes are the same species.

Types of Children’s Pythons

Originally, this python and the others in the Children’s complex were lumped together as Liasis childreni, but during the 1980s and 1990s, scientists looked closer and separated them into four species in either the Morelia or the Antaresia genus.

Then, in August 2021, scientists updated the taxonomy further using the results of some genetic analysis. This resulted in the combining of Children’s and Stimson’s into one species, and the addition of the Papuan python as a separate species. At this moment, we have four different python species in the genus Antaresia.

Children’s Python Population and Conservation

Australia banned the export of many of their native animals in 1999 with the Environmental Protection and Biodiversity Conservation Act, but many were exported prior to this being in force. So all the Children’s or Stimson’s pythons you see outside of Australia should be either really old or captive-bred. Both the Children’s and Stimson’s pythons are listed as “least concern” by the IUCN Redlist of Threatened Species and have a stable, and possibly growing population.

Neither variant has any strong threats to their survival as a species.

Identifying the Children’s Python: Appearance and Description

While its pattern is reminiscent of a green anaconda, with its round, clean-edged spots, Children’s python has very little in common with that giant snake. Most Children’s pythons average about 3 feet long, and a few rare exceptions can exceed 5 feet. This snake has enlarged symmetrical scales on its head and small scales on its dorsal side. The species has a yellow to cream-colored belly with a brown base color. Its spots are often a darker shade of the same brown as its body. In the sunlight, it has an iridescent sheen. As a juvenile, the spots are more pronounced, but they become more muted as it matures.

Children’s python has elliptical pupils and a smallish head with heat-sensing labial pits. A dark stripe usually starts just ahead of the eye and passes through towards the neck.

Best Pet Snakes

The Children’s Python gets its name from the scientist who first described them in 1842. John Edward Gray named them after his mentor, John George Children, the curator of the British Museum’s zoological collection at the time of the discovery.

Stimson’s Python

Until about 2020, Stimson’s python was classified as its own species. Then, scientists discovered that it’s a variant of Children’s python. In fact, they’re so closely related that scientists have difficulty telling them apart in the wild. They often find snakes that appear to be a hybrid of the two species, with characteristics of both.

The Stimson variant has a few small differences, which you could compare roughly to the differences between ball python morphs. It’s

These pythons are highly polymorphic; that is, they come in different colors and sometimes patterns. Their spots tend to be more dramatic and variable. Sometimes they merge into stripes or banded patterns; other times, they do not. Stimson’s variants usually have a higher contrast pattern throughout their lives, whereas the Children’s variant fades with age.

Stimson's python

Stimson’s variant with a gray base color and side stripe.

Pictures and Videos of Children’s Pythons

stimsons python on black

Stimson’s and Children’s pythons are the same species, as of 2021.

Children's python with eggs

Pythons protect their eggs until hatching.

children's python

This python eats rodents, lizards, geckos, and bats.

Are Children’s Pythons Dangerous?

Like all pythons, Children’s pythons aren’t venomous. They’re small enough that a bite from one may not even hurt. However, that’s not to say one should go out and try to get bit. It’s a little disconcerting to be snapped at by any snake, but generally, there’s nothing to worry about. These snakes can be a little snippier than others in the Antaresia genus, like the spotted python, but they’re still relatively easy-going for keepers, and fantastic to have roaming around your garden.

Children’s Python Behavior and Humans

This species is a popular pet worldwide, and some states in Australia allow keeping it as a pet if the owner has the right licenses. In the wild, they’re pretty likely to defensively bite if they don’t want to be picked up. However, Children’s pythons make great pets – just be sure you’re getting a captive-bred individual because they’re not legally exported anymore.

These snakes are great to have around, and if you live in Australia, it’s possible that you’ve seen one. Diminutive though they may be, they’re one of nature’s most effective forms of rodent control.

Similar Animals

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Sources

  1. Damien Esquerré, Stephen C. Donnellan, Carlos J. Pavón-Vázquez, Jéssica Fenker, J. Scott Keogh, Phylogeography, historical demography and systematics of the world’s smallest pythons (Pythonidae, Antaresia), Molecular Phylogenetics and Evolution, Volume 161, 2021, 107181, ISSN 1055-7903, https://doi.org/10.1016/j.ympev.2021.107181. / Published August 1, 2021 / Accessed June 11, 2022
  2. Children's Python | IUCN Redlist of Threatened Species / Published February 21, 2017 / Accessed June 11, 2022
  3. Stimson's Python | IUCN Redlist of Threatened Species / Published February 20, 2017 / Accessed June 11, 2022
  4. Children's/Stimson's Python | Reptile database / Accessed June 11, 2022
  5. Stimson's Python | Australian Museum / Published November 20, 2019 / Accessed June 11, 2022
Gail Baker Nelson

About the Author

Gail Baker Nelson

Gail Baker Nelson is a writer at A-Z Animals where she focuses on reptiles and dogs. Gail has been writing for over a decade and uses her experience training her dogs and keeping toads, lizards, and snakes in her work. A resident of Texas, Gail loves working with her three dogs and caring for her cat, and pet ball python.
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Children’s python FAQs (Frequently Asked Questions)

No! These little pythons aren’t venomous, and while a bite from one might hurt, it’s not dangerous.