Almost everybody knows what wolf is, superficially as a mammal that is a meat eater and run fast. Another thing that people know is that the wolf is like a dog sometimes. But surely they are two different species. There is no one that keeps wolf as a pet in home like dogs. There are also many more interesting things that people should know about the wolves, which are today categorized as one of the endangered species in the world. There shall be enough introduction and reliable source of information to know more about wolves, as well as the organizations that are ready to help the protection of the animal.