His siblings are all gone, decimated by mange, a disease introduced by humans to control wild canines in the early 1900s. Hungry and weakened by that same parasitic infestation, the last remaining pup of the Lamar Canyon wolf pack is struggling across the soft snow of an unusually warm February in Yellowstone National Park. Global warming, another one of man's gifts to nature, has made the thick snow cover soft and treacherous. Humans have gone too far impacting wildlife!!