ferret ferret

Black-footed ferrets are the most endangered mammal in North America. Scientists in Montana are trying to save the ferrets by saving their main food source, prairie dogs. Kathryn Scott Osler/Denver Post via Getty Images hide caption

toggle caption
Kathryn Scott Osler/Denver Post via Getty Images

Biologists With Drones And Peanut Butter Pellets Are On A Mission To Help Ferrets

  • Download
  • <iframe src="https://www.npr.org/player/embed/569468428/569716854" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A black-footed ferret looks out of a crate during a release of 30 of the animals at a former toxic waste site, now a wildlife refuge in suburban Denver. David Zalubowski/AP hide caption

toggle caption
David Zalubowski/AP