Buck had to be smart and clever about finding food to survive. “…slyly steal a slice of bacon when Perrault’s back was turned, he duplicated the performance the following day, getting away with the whole chunk.” Jack London uses this as an example because finding food is a big part of survival. The story also states “He rushed, as though attempting the old shoulder trick, but as the last instant swept low to the snow and in. His teeth closed on Spitz’s left fore leg.” Buck was smart and came up with clever tricks in order to survive a fight with his biggest enemy,