Reclamation period.2

  In the midst of all the animals was an alpha gray wolf known as Ian'.  His silver coat glistened from the dew that the grass had passed on to it.  He was who the other animals looked to for instructions because he was the leader of his pack.  In time the animals of prey came to respect his methods of getting things done.  A feat he was known for was adjusting the food chain to support all of the animals.

 
  Instead of eating animals of prey he instructed the members of his pack to attempt to open the humans' processed meats.  Upon success, they soon discovered they had a large supply of food for the carnivores.  The change was hard, but within time they all adjusted for the sake of peace. Earlier they had noticed the absence of trees, and this wouldn't normally be a problem for the animals.  Except, in this case, only humans could cut down trees. This indicates the presence of humans and it was now clear they had returned.