If you’ve ever seen both a ferret and a weasel, you’ll agree that it can be pretty difficult to spot the difference between ...

These ferrets are carnivores that mainly eat black-tailed prairie dogs, another grassland species facing population decline. In the years following the ferrets’ reintroduction, the park ...

Few species demonstrate the power of conservation quite like the black-footed ferret. In the late 1800s, there were as many as 1 million living among prairie dog colonies in the plains ...

Efforts to help a genetically impoverished species may be the only chance for a stable population and the species' eventual removal from Endangered Species Act protections.

How will layoffs slashing a Colorado facility’s staff by more than a quarter impact efforts to restore the endangered mustelids in Wyoming and beyond?

DENVER — In northern Colorado, a dedicated team of workers is helping save an endangered species known as the black-footed ferret. Now, President Trump has fired some of the team at the National ...