Disney tried to teach us at a young age at the "circle of life" with nature is often times hard to see, but witnessing it firsthand in the wild is still shocking.
Imagine what you would do in this situation. You're a deer (I realize that's a reach) and you're being chased by a coyote. What do you do? If you're in Yellowstone National Park, you hide in a nearby bison herd which is exactly what just happened as a new video shows.