The U.S. Fish and Wildlife Service has found that successful reintroduction of the black-footed ferret is nearly as rare and elusive as the weasel-like predators themselves. So when the Bureau of Land ...

They baited those traps with seven types of lures to see which ones attracted the most mustelids—a diverse family of carnivores that includes weasels, ferrets and martens. Red meat outperformed all ...