Once abundant throughout the Southwest, desert bighorn populations declined dramatically in the early 20th century due to hunting, disease (particularly pneumonia transmitted from domestic sheep), ...

The bighorn sheep (Ovis canadensis), a species of ecological, economic, and cultural importance in Mexico, is particularly vulnerable to these environmental shifts. This study applies ecological niche ...

We discovered something wild about bighorn sheep - they’re built for head-on collisions, thanks to a natural shock absorber that works like bubble wrap for their brains. In this episode, we dive ...