Aug 30
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ARKive Geographic: Australia

Beyond the signature kangaroo or koala, did you know that Australia is also home to a wide range of lesser-known and somewhat bizarre-looking species such as the spotted handfish or the southern hairy-nosed wombat?  With astounding habitats including Barrow Island, the Great Barrier Reef, and the outback, we thought we would take the opportunity to highlight just some of the unique species found in this spectacular land!

Weedy wader Leafy seadragon swimming

The leafy seadragon is endemic to Australia, meaning it is found nowhere else on Earth. Living in shallow coastal waters, these slow-moving creatures call underwater seagrass meadows home, blending in perfectly due to their leaf-like appendages.

King croc

Immature saltwater crocodile swimming underwater

The largest of all crocodilians, the saltwater crocodile roams both the land and sea. By using its powerful tail and webbed hind feet, this species is an effective aquatic predator. The saltwater crocodile feasts on large land animals such as wallabies, dingoes, and even humans!

The face of climate change

Found only in northern Australia, the lemuroid ringtail possum may become Australia’s first victim of global climate change. Being unable to withstand temperatures over 86°F (30°C), this species is extremely vulnerable to heatwaves, which are expected to increase in frequency as the climate changes. In fact, a heatwave in 2005 was thought to have wiped out the entire population until a few individuals were finally discovered in 2009.

Misunderstood marsupial

Adult Tasmanian devil

Known for its frightening nocturnal screeches, the Tasmanian devil is the largest of the carnivorous marsupials. Contrary to its savage reputation, the Tasmanian devil is actually quite shy and is only aggressive when feeling threatened or when in competition with other devils.

Snack and swim

Dugong with remoras

Strictly feeding on plants, the dugong is often referred to as the ‘sea cow’, but it is actually more closely related to elephants than cows! Found off the coast of northern Australia, the dugong uses its flexible upper lip to rip whole plants apart, leaving ‘feeding trails’ on the sea floor. What a messy eater!

Water-free wallaby

Black-footed rock wallaby with young on rock

Found throughout Australia, the black-footed wallaby lives its life in groups of 10 to 100 individuals. Found primarily in rock piles and granite outcrops, this wallaby feasts mostly on grasses and fruit, and, interestingly, obtains nearly all of its water through its food.

Burrow builder

Southern hairy-nosed wombat

An expert digger, the southern hairy-nosed wombat is able to construct burrows that support a constant inside temperature of 78°F in the summer and 57.2 °F in the winter. These burrows are often formed as networks of up to thirty meters long that can host five to ten wombats.

Smooth sailing

Sugar glider on branch preparing to leap

The softly furred sugar glider uses the membrane along its body to glide distances of up to 150 feet between trees. This agile possum also has a rather distinctive alarm call, which is said to resemble a yapping dog!

Cultural croaker

Northern corroboree frog

Found only in the northern Australian Alps and the Australian Capital Territory, the northern corroboree frog has a local cultural story attached to its name. ‘Corroboree’ is an aboriginal word used to describe a gathering, where traditionally attendees are adorned with brightly colored yellow markings similar to those of this frog.

Aquatic ambler

Spotted handfish

A fish with ‘hands’ that can walk the ocean floor? It’s true! The spotted handfish, one of the world’s most endangered fish, is able to use its characteristic ‘hand-like’ fins to walk the sea floor, occasionally sucking on prey like shrimp and small fish. Threatened by development, a restricted distribution and a low reproductive rate, the spotted handfish population may be restored in the future through successful re-introduction programs.

If you’re looking to continue your ‘walkabout’ around Australia on ARKive, check out the new Barrow Island topic page or search the 1,200+ Australian species on ARKive today. Feel free to share your favorite Aussie species in the comments below!

Jade Womack, Education & Outreach Intern, Wildscreen USA

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