Investigators say people in the area reported hearing what sounded like a mountain lion, and the dog's wounds were consistent with a mountain lion attack.
The deaths of three llamas that were attacked by a rare pack of juvenile mountain lions have state wildlife officials warning residents in western Colorado to take precautions.
Wildlife officials say a Fort Collins man shot and killed a young black bear that got into a fight with his dog in his backyard.
Wildlife officials say an adult black bear scratched its way into a tent and bit a man on his forearm at a campground on the eastern end of Ruedi Reservoir near Aspen.