What does Buck discover about himself in the wilderness?

In the wilderness, Buck undergoes a profound transformation as he reconnects with his innate instincts and primal abilities. This journey leads him to uncover strengths and skills that have been dormant due to his domesticated upbringing. Buck learns to rely on his instincts for survival, such as hunting, fighting, and navigating the harsh conditions of the wild. This awakening to his true nature is central to the narrative, showcasing how he evolves from a pampered pet into a powerful creature of the wild. The story emphasizes this transformation as a return to his ancestral roots, illustrating the theme of natural selection and the survival of the fittest.