In 2016, scientists tested drone-dropped peanut-butter vaccine baits to protect prairie dogs and save North America’s rarest mammal |
[ad_1] Prairie dog, Image: AI Generated The black-footed ferret is North America’s rarest mammal, with only about 300 estimated to survive in the wild at the end of 2015. The species has been listed as endangered since 1967, and its survival is closely tied to prairie dogs, which provide almost all of its food as…