What is call of the wild?

The call of the wild is Buck's primordial desire to embrace his primitive nature, which he experiences when he enters the wilderness of Alaska. Buck, who is a domesticated dog living a carefree life on Judge Miller’s estate in California, is stolen and sold as a sled dog in Alaska. In Alaska, Buck experiences the harsh realities of life in the wild and begins to thrive in the wilderness. Buck begins to dream of his wild ancestors and listens to the call of wolves in the surrounding forests at night. Buck gradually develops an affinity for his primitive instincts and wishes to live like a wild beast roaming the forests without restrictions or human influence. Buck's inherent desire to run with the wolves as a primordial beast is the call of the wild. By the end of the novel, Buck fully embraces his primitive nature and instincts by running with the wolves in the Alaskan wilderness.