The life span of a grey wolf is difficult and short. Many wolf pups do not survive the first year.
The pups that live to a year will live on an average of three to five years. Some wolves can live up to ten years. A wolf also mates with the same wolf for life. The Grey wolf breeds from January through April. Young wolves are taught to fend for themselves. When they become older, they leave the pack looking for territory. Some wolves stay as helpers.
The main causes of a wolf's death is conflict over food and lack of food. Most die in the process of dispersing.