In this 2009 photo, coyotes nuzzle in one of the enclosures at the Millville Predator Research Facility in Millville, Utah. The 165-acre lab works on non-lethal ways to prevent the predators from preying on livestock. (AP Photo/Colin Braley)
In this 2009 photo, coyotes nuzzle in one of the enclosures at the Millville Predator Research Facility in Millville, Utah. The 165-acre lab works on non-lethal ways to prevent the predators from preying on livestock. (AP Photo/Colin Braley) Colin Braley ASSOCIATED PRESS
In this 2009 photo, coyotes nuzzle in one of the enclosures at the Millville Predator Research Facility in Millville, Utah. The 165-acre lab works on non-lethal ways to prevent the predators from preying on livestock. (AP Photo/Colin Braley) Colin Braley ASSOCIATED PRESS