Eastern grey kangaroo: where and when to see them

The eastern grey kangaroo is a large grazing marsupial of eastern Australia, including Tasmania. Its soft grey-brown coat, long hind legs and muscular tail suit a life moving between grassy feeding areas and sheltered resting places. Males are substantially larger than females. Familiar around some coastal parks and rural clearings, it remains a powerful wild animal. Local abundance can fluctuate with rainfall, food supply, land use and the availability of safe daytime cover.

Size

Body 95-140 cm; tail 65-100 cm

Weight

17-66 kg

Lifespan

8-15 years

Status

Least Concern

Eastern greys gather in loose, changing groups called mobs rather than fixed herds. They feed most actively around dusk, night and dawn, resting in shade during warm daylight hours. At slow speed, the tail and forelimbs support the body while the hind legs swing forward; faster travel uses bounding hops. Males establish dominance through displays and sparring. Young continue nursing after first leaving the pouch and gradually become independent while remaining near their mothers. Communication among individuals includes soft vocalizations and thumping of their hind feet as an alarm signal. Males engage in 'boxing' or ritualized combat, typically involving kicking and pushing, to establish dominance hierarchy.

• Its muscular tail acts as a propulsive limb during slow walking.
• Females can produce milk of different composition for young at different developmental stages.
• Mob membership changes as animals move among feeding patches.
• Large males may be more than twice the weight of adult females.

Eastern grey kangaroos can be observed throughout the year where suitable habitat is publicly accessible. Cooler mornings and late afternoons are generally preferable to midday heat. Spring may bring greener feeding areas in southern regions, but rainfall patterns and local conditions vary considerably. The presence of joeys, particularly in their mothers' pouches or at foot, can add to viewing opportunities during the spring and summer months. However, their year-round presence means reliable sightings depend more on local habitat quality and accessibility than seasonal cycles.

They favor grasslands adjoining woodland, open forest, pasture and grassy coastal clearings. The combination of grazing space and nearby shade is more important than proximity to the sea. In developed landscapes, roads and fences can interrupt movement between feeding and resting areas. They are highly adaptable and thrive in disturbed environments, often found near human habitation and agricultural land. Their range extends across much of eastern Australia, from Queensland through New South Wales and Victoria to southeastern South Australia.

Grasses dominate the diet, with some herbs and other low vegetation taken according to availability. Microbial fermentation helps extract nutrients from fibrous plants. Kangaroos select fresh growth when available, and bread or other visitor-provided food can harm health and alter natural behavior. They re-ingest and re-chew fibrous material, similar to cud-chewing in ruminants, to maximize nutrient extraction. Water is primarily obtained from vegetation, allowing them to survive long periods without direct access to water sources.

Common name

Eastern grey kangaroo

Scientific name

Macropus giganteus

Animal group

Mammals

Size

Body 95-140 cm; tail 65-100 cm

Weight

17-66 kg

Lifespan

8-15 years

Status

Least Concern

Identification

A softly furred muzzle, grey-brown coat and lack of bold facial markings help distinguish it from red kangaroos, while western greys are generally browner with darker faces. Adult males can grow significantly larger than females, often reaching over 2 meters when standing upright. The species typically has white or pale underparts and larger ears than western greys.