Sheep pastoralists close to the dog fence in South Australia's north-west will be the first to benefit next month from a roll-out of 500 new dog traps with rubber jaws.

Trap-jaw ants use a spring-loaded mechanism to release their mandibles at insane speeds. (Image credit: Reproduced with permission of The Company of Biologists.

Sheep pastoralists close to the dog fence in South Australia's north-west will be the first to benefit next month from a roll-out of 500 new dog traps with rubber jaws.