Common Venomous Snakes Around Sydney

Eastern Brown (Common Brown) Snake

A slender snake extremely venomous and aggressive when threatened or cornered with bullet shaped head. These snakes can grow up to and beyond 2 metres and are usually pale brown to grey in colour. Juvenile Browns usually have bands down their body and can often be confused for a Tiger Snake.

They are found in grass/woodlands but do tend to pass through backyards, sheds and houses (usually due to habitat destruction) in search of food and shelter.

Females can lay up to 35 eggs and a number of females can reuse the same nest.

Diet: Mainly feeds on small mammals but will also take birds, reptiles and frogs.

Red Bellied Black Snake

Its name says it all; a red to pinkish belly with a shiny black top. These snakes generally grow 1.2 to 1.5 metres in length. This is a venomous snake although its venom is milder than the Brown Snake it must always be treated with respect (as should all snakes).

Red Belly’s inhabit wetlands such as creeks and rivers although they may venture into suburban areas (usually due to habitat destruction) in search of food.

Females give birth to around 20 live young.

Diet: Mainly frogs but will also take small mammals and other reptiles.

Eastern Tiger Snake

This is a highly venomous snake which can grow to 1.2 metres and comes in a variety of colours from brown, olive grey to jet black. The most common colouring around Sydney is light grey to blueish with darker grey bands running down the entire body with a creamy underbelly.

The Eastern Tiger Snake has a broad habitat; ranging from rainforests to dry areas and even river flood plains.

Female gives birth to between 20 and 30 live young.

Diet: Mainly feeds on frogs but is not fussy and will also take small mammals and reptiles.

Death Adder

This is an extremely venomous and dangerous snake due not only to its potent venom but also its camouflage and incredibly fast strike. With larger fangs than most venomous snakes in Australia, this is a relatively short and fat snake that comes in a variety of banded colours ranging from; red, grey to multicoloured stripes in Northern Australia. Death Adders can grow from 70 to 100 cm but are usually found around 30 to 60cm.

These snakes live in a variety of different habitats including forests, woodlands and grasslands where it blends in perfectly with loose leaf litter. Being an ambush predator it hides in loose leaf litter or sand/dirt using its tail as a lure to attract prey.

Females give birth to up to 20 live young.

Diet: Feeds mainly on birds but would take small mammals.

Brown Tree Snake

Rear-fanged venomous and nocturnal.

Golden Crown Snake

Commonly confused for a brown snake. Though a lot smaller and only mildly venomous.

Black Belly Swamp Snake

Commonly confused for a black or brown snake. Though a lot smaller and only mildly venomous.

Common Non-Venomous Snakes Around Sydney

Diamond Python

These are light to dark coloured snakes, with beautiful yellow diamond like patterns the entire length of their back with a pale creamy underbelly and a typical python like (triangular) head. They are a medium sized python with females attaining lengths of up to 2 metres while males generally grow 60cm to 1 metre.

They are arboreal, so mainly found in trees, roofs and rock ledges. But can also be found on the ground in hollow logs and burrows.

Diet: Diamond Pythons feed mainly on marsupials but will take reptiles and mammals such as rats and mice. They are constrictors as they have no venom therefore they constrict their prey by coiling around and squeezing whilst holding the prey in its mouth which is loaded with hundreds of razor sharp rear facing teeth.

Green Tree Snake

This slender non-venomous snake can range in colour from a beautiful vibrant green with a bright yellow throat, to dull green or brown (in some cases even black). Green Tree Snakes are very agile climbers which can attain a length of up to 1.2 metres. When threatened it raises up and puffs out its throat to display nice flecks of blue between its scales. They have an extremely large area in which they inhabit which encompasses nearly all of Australia.

Diet: Consists mainly of frogs.

Carpet Python


1. Fierce snake or Inland taipan (Oxyuranus microlepidotus) also debated as number 1. is the Bechlers Sea Snake thought studies are still continuing as little is known.

2. Eastern Brown or Common Brown snake (Pseudonaja textilis)

3. Malayan or blue krait (Bungarus Candidus)

4. Taipan or Coastal Taipan (Oxyuranus Scutellatus)

5. Tiger Snake (Notechis scutatus)

6. Beaked Sea Snake (Enhydrina Schistosa)

7. Saw Scaled Viper (Echis Carinatus)

8. Coral Snake (Micrurus Fulvius)

9. Boomslang (Dispholidus Typus)

10. Death Adder (Acanthopis Antarcticus)