# Python — Facts, Threats & Conservation

*Family Pythonidae — ~40 species native to Africa, Asia and Australia*

> Pythons are egg-laying constrictors (family Pythonidae) with ~40 species in Africa, Asia and Australia — non-venomous snakes threatened by skin trade, exotic pet demand and habitat loss.

**IUCN status:** Varies by species (Least Concern to Endangered)  ·  **WARN range:** Africa, Asia, Australia

## Quick facts
| Fact | Value |
| --- | --- |
| Family | Pythonidae (~40 species) |
| Range | Africa, Asia, Australia |
| Venom | None — constrictor |
| Reproduction | Oviparous — lays eggs |
| Longest | Reticulated python — 6 m+ |
| Trade | Skins, pets — CITES regulated |

## Scientific classification
- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Reptilia
- **Order:** Squamata
- **Family:** Pythonidae

## Conservation status
- **Status:** Varies by species. Reticulated python Least Concern but heavily traded; some populations Endangered locally.
- **Population:** Unknown for most species; reticulated python widely distributed but declining regionally
- **Trend:** Decreasing where harvest and habitat loss combine
- **Assessed:** Varies by species
- **CITES:** Appendix I or II depending on species and population
- Invasive Burmese pythons in Florida are a separate conservation crisis from native range protection.

## Key facts: Python
- Pythons are not found wild in the Americas — boa constrictors occupy that ecological role.
- Reticulated and Burmese pythons rank among the world's longest and heaviest snakes.
- Ball pythons dominate the legal pet trade; wild capture still supplies laundered animals.
- Invasive Burmese pythons devastate native mammals in the Florida Everglades.
- Python skins supply the luxury leather industry — ranching and wild harvest both occur.
- Heat pits along jaws detect warm-blooded prey in darkness.

## Python biology and constricting hunt
Pythons ambush or stalk prey, strike with speed and coil around victims. Constriction stops blood flow to the brain and heart — prey loses consciousness within seconds. Jaws unhinge to swallow animals larger than the head.

Females of many species brood eggs, shivering muscles to raise clutch temperature. Hatchlings are independent immediately. Growth rates depend on food availability; captives often exceed wild size.

Heat-sensitive labial pits appear in pythons as in pit vipers — convergent evolution for nocturnal hunting. Reticulated python colour patterns camouflage among forest leaf litter.

## Major species and ranges
The reticulated python Python reticulatus ranges across South-East Asia — Indonesia and Malaysia are WARN partner regions with significant populations. Burmese python Python bivittatus inhabits mainland South-East Asia and was introduced to Florida via the pet trade.

Ball python Python regius from West Africa is the most traded pet snake globally, with millions exported historically — now heavily captive-bred but wild laundering persists. African rock pythons reach southern Africa.

Australian pythons — carpet, scrub, olive — fill diverse niches from desert to rainforest, generally less impacted by international trade than Asian giants.

## Trade, invasion and conservation
Python skin exports supply European fashion houses; CITES permits aim to limit wild offtake. Burmese python leather from Vietnam and Thailand is ranching-dominated; reticulated python harvest remains contentious.

Florida's Everglades invasion demonstrates release risk: Burmese pythons consume deer, raccoons and birds, collapsing native mammal populations. Eradication efforts use detector dogs, radio tracking and public reporting.

IUCN status varies: reticulated python Least Concern but heavily exploited; some subspecies Endangered. Habitat conversion in Indonesia and Malaysia removes primary forest pythons require.

## Pythons and people
Pythons rarely kill humans — reticulated and African rock pythons account for occasional fatalities where large snakes encounter children or sleeping adults. Respect and secure housing prevent tragedies.

Pet keepers must research adult size: Burmese and reticulated pythons exceed five metres and are unsuitable for most households. Ball pythons remain manageable but need proper heat gradients and veterinary care.

Readers should reject wild-caught pets, support habitat protection in South-East Asia and never release unwanted snakes into non-native ecosystems.

## Related WARN guides
Pythons are non-venomous constrictors — read WARN's cobra and rattlesnake guides for venomous counterparts, the snake hub for overview, and komodo dragon for another large reptile predator.

Monitor lizard and gecko pages cover other squamates; Burmese python invasion in Florida is a cautionary tale for released pets.

CITES-regulated trade and habitat protection underpin python conservation.

## What WARN does
WARN educates readers in Indonesia and Malaysia — major python range countries — about wildlife trade, habitat protection and responsible reptile stewardship. Free guides support informed choices in partner nations from Pakistan to Brazil.

If this guide helps you understand wildlife and the pressures it faces, a gift to WARN supports habitat protection and free public education in our partner countries.

## Frequently asked questions: Python
### How many python species are there?
About 40 species in family Pythonidae, native to Africa, Asia and Australia. They are absent from the Americas.

### What is the largest python?
The reticulated python is the longest, exceeding six metres. The Burmese python rivals it in mass, sometimes exceeding 90 kg.

### Are pythons venomous?
No. Pythons kill by constriction. They have no venom glands.

### Are Burmese pythons invasive?
Yes in the Florida Everglades, where released and escaped pets established a breeding population devastating native wildlife.

### Are ball pythons good pets?
They are among the most manageable large-snake pets but still require secure enclosures, heat control and decades of care. Verify captive-bred origin.

### Why are pythons traded?
Skins for leather, meat in some regions and live animals for the exotic pet trade. CITES regulates international export.

## Sources
- [IUCN Red List — reticulated python](https://www.iucnredlist.org/species/183151/1730027)
- [Smithsonian National Zoo — python](https://nationalzoo.si.edu/animals/reptiles)
- [Encyclopaedia Britannica — python snake](https://www.britannica.com/animal/python-snake)
- [Wikipedia — Python (genus)](https://en.wikipedia.org/wiki/Python_(genus))

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Full guide: https://worldanimalrescuenetwork.org/wildlife-guides/python