Bighorn pneumonia is a very popular disease with anyone that wants to eliminate domestic sheep from the western United States.  Any time there is a bighorn pneumonia die off, ...

The pneumonia outbreak that killed more than 500 bighorn sheep across six western Montana populations since late 2009 has reached an important juncture. FWP says effort to cull bighorns with ...

But then in the early ‘90s, pneumonia hit the iconic herd, likely from a friendly hello with an infected domestic sheep, and the disease rippled through, killing hundreds of lambs, ewes and rams.

HAMILTON - State wildlife officials killed eight ailing bighorn sheep from the Skalkaho herd earlier this week after finding the animals exhibiting symptoms of pneumonia.

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 ...

EL PASO, Texas (KFOX14/CBS4) — The Texas Parks and Wildlife Department (TPWD) will relocate a herd of desert bighorn sheep to El Paso to try to save the species' dwindling population in the state.

The following is a press release from Montana Fish, Wildlife & Parks: HELENA, Mont. – Test results from two rams from bighorn sheep hunting district 622 have tested positive for a microorganism ...

Test results from two rams from bighorn sheep hunting district 622 have tested positive for a microorganism that can cause pneumonia.