What primary function was the Australian Terrier purpose-bred to perform in the 19th-century Australian outback?

Answer

Managing small vermin, including snakes.

These dogs were developed as fearless workers capable of managing small vermin, even confronting snakes, around farms and stations.

What primary function was the Australian Terrier purpose-bred to perform in the 19th-century Australian outback?
AustraliaDogcharacteristicbreedTerrier