A deadly new tool is being rolled out that will kill feral cats by spraying them with a toxic gel, as part of a five-year plan to reduce the enormous impact the predators are having on native wildlife.

A deadly new tool that will kill feral cats by spraying them with a toxic gel is being rolled out, as part of a five-year plan to reduce the enormous impact the predators are having on native wildlife.

The device, called a Felixer grooming trap, has been approved by federal authorities for feral cat management across the country.