Bison
Yellowstone Bison Engineer Environment to Create 'Best Food' For Themselves
Impact of bison grazing on the national park is so extensive it can be seen from space.
Man Filmed Illegally Petting Yellowstone Bison: 'No, No, No, Don't Do It'
The encounter is just the latest example of Yellowstone visitors placing themselves and others in danger by getting too close to bison in the park.
Yellowstone Bison Hurls Small Girl in Air After Charging Group, Video Shows
Bison have injured more people in Yellowstone than any other animal, according to the National Park Service.
How Great Plains Bison Were Bought Back From the Brink
Today some 500,000 bison have been restored in over 6,000 locations.
Wolves in Yellowstone Had Unexpected Consequences
Mark Boyce has spent 40 years studying the park's ecosystems and says wolf reintroduction has been fascinating.
Four Reasons Bison Attack People at National Parks
Learning to interact with wildlife is not a part of the standard curriculum at most schools.
Yellowstone Bison Gores Woman in National Park
Park authorities said she was transported to a medical center "in good condition."
Yellowstone Bison Butts 72-Year-Old Woman
The visitor was treated for minor injuries and taken to hospital.
And the New National Mammal Is…the American Bison
The U.S. designation puts the animal on equal footing with the bald eagle.
Yellowstone Park Like You've Never Seen It Before
Because there's every reason to watch otters sledding down hills.
1,000 Yellowstone National Park Bison Could Be Culled
There are about 4,900 bison roaming the park.