Bighorn sheep herds could spread out to another Great Salt Lake island someday under a proposed change to the state's species ...

California is home to two subspecies of bighorn sheep: desert bighorn and Sierra Nevada bighorn. Here's how you can spot them while hiking around the mountains and desert of Southern California.

The first recorded survey of Bighorn Sheep on Pikes Peak was in 1949 when 205 were counted. Annual counts have been conducted ...

Join NWPB reporter Rachel Sun to learn about bighorn sheep restoration in the northwest. Members of the Hells Canyon Initiative gathered Dec. 8 on the Idaho side of Hells Canyon south of Lewiston ...

South of Glacier National Park, Wild Horse Island State Park is home to incredible wildlife, including five resident horses, ...

Desert bighorn sheep, which have inhabited the southwest for more than 12,000 years, have smaller bodies but longer legs and shorter coats than their Rocky Mountain relatives.

Bighorn sheep are big, strong and remarkably sure-footed on steep, rocky terrain. The rams can weigh up to 220 pounds while the females often reach 155 pounds. Starting at 2 years old, ewes give ...

Bighorn sheep were extirpated from Washington by the mid-1920s, mostly because of the spread of pathogens causing pneumonia from domestic herds. Though overhunting and habitat loss also ...

Bighorn sheep are vulnerable to lung disease, which often are transmitted by domestic livestock. In February 2018, CPW captured 24 sheep, mostly ewes, lambs and a few young rams from the Rampart herd.

On July 27, the carcasses of three cow elk and one bull elk were discovered off State Routes 273 and 261, near the turnoff to the Big Lake campground. Additionally, the carcasses of two bighorn sheep ...

Infected sheep can be seen coughing or have difficulty running or climbing. If a female bighorn survives, she can pass the pneumonia to her lambs for up to 10 years.