* Primal Expression: Howling is a fundamental expression of Buck's wolfish nature. It's a way for him to communicate his emotions, whether it's excitement, loneliness, fear, or a primal yearning for his ancestral heritage.
* Communication: Buck uses howls to connect with other dogs, especially during his time with the wolf pack. It's a language of the wild, allowing him to express his dominance, warn others, and even call them together.
* Release of Tension: Buck's howling often occurs in moments of intense emotion. It helps him release pent-up energy and frustrations, especially when he's feeling trapped or unhappy in his domesticated life.
* Symbol of Transformation: As Buck's wild instincts take over, his howls become more frequent and powerful. They symbolize his gradual shift from a domesticated dog to a primal creature, becoming more in tune with the wilderness.
* Symbolic Connection to Nature: The sound of Buck's howling resonates with the wildness of nature. It echoes through the forest, signifying his return to his true roots and his connection to the untamed world.
Ultimately, Buck's howling is a powerful and symbolic act that highlights his journey of transformation and his deep-seated connection to his primal heritage.