Most efficient way to kill wolves? . Strychnine. . Canada finally banned it today 🇨🇦👏 (although it’s still legal to collar wolves to locate packs then chase wolves to exhaustion from helicopters and shoot them—they’ve killed 1,944 since the ‘aerial wolf reduction program’ began in 2015. . Strychnine, a plant-derived poison from Strychnos nux-vomica (gives you an idea of some of the horrible symptoms) came originally from South Asia. It has been used by humans for centuries, sometimes as a dop