toggle menu
A wild koala (Phascolarctos cinereus) climbing in its natural habitat of gum trees © Shutterstock / GunnerL /WWF

A wild koala (Phascolarctos cinereus) climbing in its natural habitat of gum trees © Shutterstock / GunnerL /WWF


The koala is one of the world’s most iconic animal species – right up there with the panda, tiger, elephant, dolphin, and polar bear. And they're found nowhere else in the world but Australia!

Our much loved koalas, with their stout, tailless body, large head with round, fluffy ears and large, spoon-shaped nose, are instantly recognisable as a symbol of Australia. Koalas are an integral part of the Australian bush – perched high up in the branches of gum trees sleeping for up to 20 hours a day


A common mistake is calling them a ‘koala bear,’ they’re marsupials not bears. Find out more interesting facts about koalas

Sadly, being iconic and symbolic is not enough to save the koala from the threat of extinction. In the 1920’s, hundreds of thousands of koalas were shot for the fur trade and now koalas are contending with the consequences of ongoing excessive tree-clearing for agricultural and urban development in Queensland and New South Wales.

But there is much we can do to save the koala and the many other species that inhabit the Australian bush.


What we're doing

See our conservation work on koalas.


Koala (Phascolarctos cinereus) sleeping in tree, Australia © Martin Harvey / WWF

© Martin Harvey / WWF

Why it matters 

The koala is the quintessential Australian animal, known globally and much loved. People come from all over the world to see koalas at wildlife parks and zoos. It is featured in advertisements, games, cartoons, and as soft toys.

In the wild, koalas serve as ambassadors for the many other species that also inhabit the Australian bush. Protecting bushland areas in an effort to save koala populations also protects the habitat of a wide range of animal and plant species such as possums, gliders, wombats, quolls, birds, and reptiles.

Koalas also have great cultural significance to Aboriginal Australians and feature in Dreamtime stories, songs, and rock art.

Koala joey (Phascolarctos cinereus) and mom eating Eucalyptus leaf © Shutterstock / dangdumrong / WWF

Phascolarctos cinereus

Species Bio

Common Name


Scientific Name

Phascolarctos cinereus


On average, males range in weight from around 6 kg in QLD and up to 12 kg in VIC, females range from an average of 5 kg in QLD to 8.5 kg in VIC.


Vulnerable (EPBC Act – QLD, NSW, ACT only)

Did you know?

Due to the low nutrient levels of the Eucalyptus leaves they feed on, the koala can sleep up to 18 hours each day.


The destruction and fragmentation of habitat for agricultural and urban development means koalas must spend more time on the ground moving from tree to tree. This means they are much more vulnerable to being hit by cars and attacked by dogs, while elevated levels of stress make them prone to sickness and disease like chlamydia.

Global warming
There is increasing evidence that climate change is leading to significant koala range contractions in western Queensland and New South Wales. This is due to reduced nutrient levels in Eucalyptus leaves, rendering them of lower quality. There is also strong evidence of the impact of droughts and extremely high temperatures on koalas and the likelihood that these events will not only increase in incidence but in severity as well.

What you can do to help

 Send a message to key NSW politicians now to ensure a future for koalas.
You can donate to our current appeal to support WWF's conservation efforts.
Join local environmental groups to plant koala food trees in your neighborhood.
Drive slowly and carefully at night. Koalas are nocturnal. Keep to the speed limits.
Carry the phone number of your local koala group or wildlife rescue service in your car.
 If you live in koala country, at night lock up your dog. It is not enough to just keep it in your yard – Koalas can climb most fences or trees into yards.
In times of drought or in particularly hot weather, place a container of water at the base of a tree known to be used by koalas.

© Shutterstock / Martinho Smart / WWF

Give a gift that gives back

Protect and restore their homes before it’s too late.
Give a home today

Recommended reading

Orphan koala joey, southeast Queensland © WWF-Aus / Patrick Hamilton


Adopt a koala

Adopt a koala and help protect these Aussie icons

Read more

{{thankYouPopup.firstname}} {{thankYouPopup.lastname}}

Thank you for your {{thankYouPopup.isMonthly ? 'monthtly' : ''}} donation of ${{ thankYouPopup.amount }}

Please check your email for confirmation


If you have any questions about your donation, please do not hesitate to contact our friendly Supporter Services team either by email: or call 1800 032 551

Share this page with your friends and family to help endangered animals even more.