What does Buck do at the end of the novel?

At the end of the novel "The Call of the Wild," Buck fully embraces his wild nature and leads a wolf pack. This conclusion reflects his transformation throughout the story, where he has shed the constraints of domesticity and has answered the call of his ancestral instincts.

In the narrative, Buck evolves from a domesticated pet to a powerful and independent creature. He has experienced the harsh realities of life in the wild and has learned to survive through strength, cunning, and leadership. By joining a wolf pack, Buck not only asserts his dominance in the wild but also fulfills his innate connection to nature and wild ancestry. This signifies a complete shift from the life he once led with humans, marking his ultimate acceptance of his true self as a creature of the wild.

This choice encapsulates the novel’s themes of survival, instinct, and the primal connection to nature, highlighting Buck's journey back to the wild where he belongs.