MISSOULA -- An outbreak of pneumonia has killed at least 37 bighorn sheep on the National Bison Range north of Missoula. The disease has appeared in several other wild bighorn herds throughout western ...

America's national parks and state areas burst with wildlife on stunning drives. Bison munch grass by the road, grizzly bears ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Tom Besser has authored some disheartening reports when it comes to pneumonia infections in ...

YELLOWSTONE NATIONAL PARK, Wyo. (AP) - More than half a dozen bighorn sheep have taken up temporary residence - without an invitation - inside a quarantined research facility for bison north of here.

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BILLINGS, Mont. - A small group of bighorn sheep has staked a claim inside a quarantined research facility for bison near Yellowstone National Park. Workers with the Montana Department of Fish, ...

WICHITA, Kan. (KSNW) — The Lee Richardson Zoo in Garden City announced the arrival of five desert bighorn sheep to the zoo. The sheep arrived on Tuesday. Three came to Garden City from the Los Angeles ...