She is always accompanied by her children. In most cases, the whole family goes after another in a row through the forest. Thereby it looks like a train.
In Bambi, her first appearance is among the animals who welcome Bambi to the forest. Her second appearance is in "Little April Shower" as she walks with her children by a small outflow of rainwater.
In Bambi II, she appears briefly again when the animals congregate around the cave. The owl asks a raccoon bit to move to the side so that her children have more space.