In the rugged deserts of the Las Vegas Valley, a crisis unfolded in early 2025 that threatened the survival of the desert bighorn sheep. A brutal drought, stretching over 200 days without measurable ...

Three more bighorn sheep have died in the Catalina Mountains north of Tucson this month — two of them falling prey to mountain lions and the other dying of an undetermined cause.

Two bighorn sheep rams have been spotted and photographed in the Wasson Peak area of Saguaro National Park west of Tucson — the first confirmed observations of bighorns in the park since the ...