The Park Ranger talked about how when fires happen in Yellowstone and trees burn or fall, they don’t take them away and clean up because the trees make vitamins for the soil. They do not replant new trees either. Everything has to be as natural as possible.
I also learned that if an animal in Yellowstone is sick or feeling bad or about to maybe even die, they just let it do what it would do in nature, either live or die. The only time the Rangers get involved with helping an animal with a sickness or maybe a broken leg or something, is if people caused the problem. People make problems in a lot of ways and one way is by bumping an animal with their car.