Australia's Most Recognisable Animal

Few animals are as synonymous with Australia as the kangaroo. These marsupials have evolved over millions of years to thrive across a continent of extremes — from scorched desert plains to lush coastal grasslands. Yet despite their fame, most people know surprisingly little about the diversity and complexity of kangaroo life.

The Four Main Species

There are four species of kangaroo recognised as "true" kangaroos, each occupying a distinct ecological niche:

  • Red Kangaroo (Osphranter rufus): The largest marsupial on Earth. Males can stand over 1.8 metres tall and weigh up to 90 kg. Found across arid and semi-arid Australia.
  • Eastern Grey Kangaroo (Macropus giganteus): The most commonly seen species, thriving in the forests and grasslands of eastern Australia, including suburban parks.
  • Western Grey Kangaroo (Macropus fuliginosus): Similar in appearance to the eastern grey but found across southern and western Australia. Known for its strong musky scent.
  • Antilopine Kangaroo (Osphranter antilopinus): A tropical species found across northern Australia's monsoonal woodlands. Slimmer and faster than its southern relatives.

Understanding Kangaroo Behaviour

Kangaroos are predominantly crepuscular — most active at dawn and dusk — and spend the hottest midday hours resting in shade. They live in social groups called mobs, which offer collective alertness against predators like dingoes and eagles.

One of the most fascinating aspects of kangaroo biology is embryonic diapause: females can pause the development of a fertilised embryo until environmental conditions improve or the pouch joey has grown enough. This remarkable adaptation allows kangaroos to time births with periods of good rainfall and food availability.

What They Eat

Kangaroos are herbivores with a highly efficient digestive system. Unlike cattle and sheep, they produce very little methane when digesting grass — an area of ongoing scientific interest. Their diet primarily consists of:

  1. Grasses and herbaceous plants
  2. Shrubs and leaves during dry periods
  3. Roots and tubers when other food is scarce

Best Places to See Kangaroos in the Wild

You don't need to venture deep into the outback to observe kangaroos. Some of the best locations include:

  • Murramarang National Park, NSW: Eastern greys graze calmly on the beachfront at dawn.
  • Flinders Ranges, SA: Red kangaroos in dramatic outback scenery.
  • Cape Hillsborough, QLD: A breathtaking spot where eastern greys come down to the beach at sunrise.
  • Kangaroo Island, SA: Western greys in abundance, with minimal fear of humans.

Respecting Kangaroos in the Wild

Always observe kangaroos from a respectful distance. Never feed them human food, as this can cause nutritional deficiencies and make them aggressive. If you encounter an injured kangaroo or an orphaned joey, contact your local WIRES (Wildlife Information, Rescue and Education Service) or equivalent state wildlife authority rather than attempting to handle the animal yourself.

Kangaroos are a living symbol of Australia's wild heart — observing them in their natural environment, unhurried and undisturbed, is one of the continent's truly unforgettable experiences.