The question of how many wolves a region can sustain without tipping the balance against prey herds, livestock operations, and the wolves themselves has no clean answer. Since the federal government returned management authority to individual states, each ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers studying gray wolf populations near the Chernobyl nuclear disaster site discovered a genetic evolution that may be protecting the wolves from cancer. Wolves in the Chernobyl ...