The Question and Answer section for Hatchet is a great resource to ask questions, find answers, and discuss the novel.
The birds are naturally camouflaged with the woods so that they are difficult to spot even if he is standing right next to one.
This is a metaphor of how Brian was feeling when the pilot had died and he had to land the plane. He felt his insides twist into knots.
Brian learned that he had to protect his food or he would literally starve. He learned that he needed to store food rather than hunt when he needs it. He keeps track of time by remembering events that happened. He also diversifies his diet to...