Answer:
They create a connection between Thoreau's experience and the solitary animals that he is observing.
Explanation:
He wants the reader to know how he felt while being all alone in the cabin that he built himself, how his life was while he had to cultivate all of his food and having no company other than the animals that already lived in the woods.
He wanted to show that a life in the nature was the kind of life a truly free man should have.
