The father brings her food .
Wolf pups are cared primarily by their mother for the first 3 months of their life when she remains in the den with them while they rely on her milk for sustenance and her presence for protection .
The father brings mother 's food .
Wolf pups are cared primarily by their mother for the first 3 months of their life when she remains in the den with them while they rely on her milk for sustenance and her presence for protection .