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Snake IdentifierAUSTRALIA · FIELD GUIDE
Olive Python (Liasis olivaceus) coiled on soil.
Photo credit and licence

Brendan Costello · CC BY 4.0 · Licence · Source · Resized without cropping; converted to WebP; metadata removed.

Pythonidae

Olive Python

Liasis olivaceus

A very large olive python of drier northern Australia. The Pilbara subspecies occurs in Western Australia, while the species-level range also includes the Northern Territory and Queensland.

Non-venomous

Identification and appearance

A large python whose upper body ranges from pale fawn to olive-brown or rich brown. The underside is pale. This profile covers the whole species, including the Pilbara subspecies.

Typical length

AROD lists a species average of about 200 cm and a separately reported maximum of 650 cm.

Key identification features

  • Large python with fawn, olive-brown or rich brown upperparts
  • Pale underside
  • Northern Australian range, including a separate Pilbara form

Where it is found

The species occupies drier northern Australia, with Australian records in Queensland, the Northern Territory and Western Australia. The Pilbara subspecies Liasis olivaceus barroni is confined to a WA region and does not represent the whole species range.

Habitat

Olive Pythons use rocky areas near water across northern Australia, as well as open forest, woodland and savannah.

Activity

Mainly active at night; may bask during the day.

Diet

Small mammals and birds.

Reproduction

Egg-laying.

Medical significance

Non-venomous, but do not handle it. If identity is uncertain and a bite is suspected, call 000 and follow snakebite first aid.

What to do if you encounter one

Keep well clear and leave a route towards cover. Do not chase, corner, handle or inspect it. If it is inside a building, keep people and pets away and contact a qualified local snake remover.

Similar-looking snakes

Taxonomy notes

Liasis olivaceus is presented here as Olive Python. Liasis olivaceus barroni is the Pilbara subspecies, while the species-level range also includes the broader northern Australian form.

Sources checked

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A profile is a guide, not a reason to approach or handle a snake.