FWP Allows Hunters to Cull an Entire Herd of Bighorns BY TOM DICKSON 01/08/15 Bighorn Ram, Lamar Valley, Yellowstone. By Tom Reichner Within just 48 hours of exposure to the pathogens that cause pneumonia, most bighorn sheep respond the same way people do. Their nose begins to drip. Breathing becomes difficult. They develop a hacking […]