After a century, California's biggest invasive species is dying out
About 100 years ago, a herd of bison traveled west to California — then they kept moving, boarding boats and navigating the Pacific Ocean to reach Catalina Island, 22 miles off the coast near Los ...
Former Yellowstone bison program leader calls for expanded bison tolerance outside park
For 17 years Wallen was the team leader of Yellowstone National Park’s bison ecology program. He retired six years ago and in ...