There are many animals that help humans but still there are animals that help other animals. Some of them do that simply to help other being. Some animals are trained to perform hectic task of helping other animals in the time need. For example you would have seen many dogs guarding horse, buffaloes and herds. Some dogs are so much trained that they can handle all the tedious task themselves without human hand.
See this wonderful video that depicts similar examples from real life.
We hope you loved this video that has a lesson for humans to learn.