Father Wolf looked on amazed. He had almost forgotten the days when he won Mother Wolf in fair fight from five other wolves, when she ran in the Pack and was not called The Demon for compliment’s sake. Shear Khan might have faced Father Wolf, but he could not stand up against Mother Wolf, for he knew that where he was she had all the advantage of the ground, and would fight to the death. So he backed out of the cave mouth growling...

The Jungle Book