The Yellowstone grizzly population is poised to lose its endangered status, leaving protection in the hands of the states.
The federal agency has been researching nonlethal means to protect livestock for decades. So why is it still killing so many carnivores?
New regulations help wildlife on federal lands. But they’re still no match for state predator control.
As climate change sends bears searching for calories, new research suggests there's no substitute for seals.
Wildlife biologists, environmentalists and Western politicians are engaged in a fierce debate over whether two decades of protection have so restored Yellowstone's grizzly population that the animal ought to be removed from the endangered species list.