Though bison are well-suited for the harsh climate of Yellowstone National Park, the winters from 1995 to 1997 were particularly severe in the high country ... bison herd was designated by ...

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison herd then charged into. Wildlife photographer Jeff Vanuga captured a ...

Visitors to Lehigh County's Trexler Nature Preserve can now see bison in two separate pastures, due to a shift in herd dynamics following the death of herd patriarch Big Boy.

"These are where we would expect to see examples of genetic difference and overlap; however, Yellowstone bison today are clearly one interbreeding herd." With the completion of this study ...

Wild bison that cross into Colorado generally come from the Book Cliffs herd across the Utah border, near Grand Junction. About 130 animals make up the subherd closest to the Colorado border ...

A herd of bison (not the one pictured here) charged into a crowd of people in Yellowstone National Park. Photo by Tevin Trinh via Unsplash A pack of wolves took down a bison in Yellowstone ...