Background. Ferrets are members of the mustelid family, which includes otters, weasels and skunks. Black-footed ferrets evolved to prey on prairie dogs and nearly went extinct in part because of a ...

DENVER (CBS4) - Black footed ferrets once hunted prairie dogs on Colorado's plains and western slope, but as humans built our communities, we wiped out their food source and they disappeared. In ...

In ferrets, these processes are thinner, creating flexibility and movement. So their spine can stretch out when they go underground, making their body 30% longer.

To increase populations of the endangered black-footed ferret, scientists aim to save prairie dogs, a main food source. The biologists use drones and medicated peanut butter-flavored pellets to do it.

Black-footed ferrets are one of the most endangered mammals in North America with only an estimated 370 in the wild, according to the World Wildlife Fund. Accessibility links.

De-extinction: Bringing animal species back from the brink 08:16. Two more black-footed ferrets have been cloned from the genes used for the first clone of an endangered species in the U.S ...