Rocky Mountain National Park officials say a recent report of a possible wolf sighting is credible, but it's difficult to be sure without more evidence. Ranger Jack Dinsmoor said Friday that two experienced park volunteers reported seeing what looked like a wolf on Dec. 4. They didn't get a photo, but large canine paw prints were later found in the area. Dinsmoor said park officials don't know if the animal was a wolf, a wolf-dog hybrid or ... Baskfield said the division did confirm that a large black animal caught on video by wildlife officers last February in northern Colorado...