Petrogale concinna, known as the Nabarlek or little rock-wallaby, inhabits rocky outcrops and escarpments in northern Australia. It is a small marsupial, recognizable by its short, bushy tail and rich brown fur. These nocturnal creatures are adept climbers, feeding on grasses and leaves, and exhibit unique hopping patterns.

Petrogale concinna, commonly known as the Nabarlek or Little Rock Wallaby, is native to northern Australia. Its geographical distribution includes the Northern Territory, particularly on the Arnhem Land plateau, and some offshore islands such as Groote Eylandt.

The Nabarlek inhabits rugged rocky outcrops, escarpments, and boulder-strewn areas. These environments provide ample crevices and shelters for protection against predators and harsh weather conditions. The region experiences a tropical climate with distinct wet and dry seasons.

As a nocturnal herbivore, the Nabarlek forages primarily at night on grasses, sedges, and other vegetation. Its adaptations to rocky terrains allow it to navigate steep and uneven surfaces efficiently. The species plays a role in its ecosystem by contributing to seed dispersal and maintaining vegetation dynamics.