Southern brown bandicoot

The Southern brown bandicoot (Isoodon obesulus) is a marsupial belonging to the order Peramelemorphia, family Peramelidae. While often viewed as a native species in Australia, in agricultural and horticultural settings, it is classified as a pest due to its destructive foraging habits that disturb soil and plant integrity.

These animals are omnivorous and opportunistic foragers. Their diet consists of insects, larvae, fungi, and plant material, including roots, bulbs, and tubers. Gardens and vegetable plots are particularly attractive to them, as they target high-energy food sources such as potatoes, carrots, and various bulbous ornamentals.

The biology of the species supports high survival rates. Females can produce multiple litters per year, enabling rapid population growth under favorable conditions. As nocturnal creatures, they spend their days in secluded nests located in dense vegetation or shallow burrows, from which they emerge at night to forage near human settlements.

The primary damage caused by bandicoots involves the creation of numerous cone-shaped pits throughout the garden. By excavating these holes in search of prey and tubers, they expose root systems, damage seedlings, and disrupt the irrigation and structure of garden beds, leading to significant yield loss.

Effective protection measures involve exclusion fencing. Mesh barriers must be buried deep into the ground to prevent tunneling, as bandicoots are powerful diggers. Additionally, managing garden waste, eliminating dense ground cover near crops, and using motion-activated deterrents can help discourage these animals from frequenting cultivated areas.