"Another of those tools would also involve collars, but this time they would contain a nausea-inducing chemical that could be injected into the wolf’s neck. Triggered by observers or by a device on the cow or sheep, the injection would cause the wolf to become violently ill whenever it approached the object of its desire."(5)

"What if, Phillips wonders, biologists get some of the wolf-hound hybrids that are running all over the West and periodically walk them around a ranch? ‘They pee on a bush, leave little bits of hair here and there,’ says Phillips, ‘and create the impression that there is a resident pack. Exploit the ecology of the wolves themselves.’"(5)