A device that kills feral cats by squirting their fur with toxic gel they lick off while self-grooming is being used to protect endangered Australian animals
Source:
https://www.newscientist.com/article/2223493-a-laser-sighted-toxic-goo-gun-is-killing-feral-cats-in-australia/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home