Why didn’t the animals in the woods band together to resist the Terrible Things?

At the end of the story, the only creature that remains in the clearing is the Little Rabbit who managed to hide from the Terrible Things. After he remains alone, the Little Rabbit thinks about the events that happened in the clearing and thinks about ways he could have changed the events that took place. He concluded that if the creatures were to remain together and act like one, then they would probably still be all in the clearing, living together and taking care of one another. Unfortunately, the Little Rabbit was the only one who thought about sticking together and acting as one.