In the breed tot timber wolves; tort some were seen Witt splashes tot brown on the head and muzzle, and with a rift of white centering down the chest. “(Pig. 104 P=2) As you can see Buck and Capricorn both successfully adapted to the new lifestyle and new environments and both changed as a character as the story went on.
Cap changed but not as much because he believed in who he was. Buck on the other hand changed drastically. They both adapted to their environments and lifestyles in different and similar ways. In the end Buck and Cap did end up enjoying their new environments even though they did not like them in the beginning.