Drones to unleash vaccine-laced pellets in bid to save endangered ferrets

US Fish and Wildlife Service to target diseased prairie dogs, food for the ferrets, via specially designed drones that shoot pellets in three directions at onceThe US government is set to unleash drones that fire vaccine-laced pellets in a bid to save the endangered black-footed ferret, a species that is facing a plague epidemic across America’s great plains.The US Fish and Wildlife (FWS) has developed a plan to bombard ferret habitat in Montana with the vaccine, which will be administered