Earth in a small Cave

"What is your name child," I could hear the man ask. "Natasha, not that it matters to you." He frowned in distaste. "Get off that animal child, it's dangerous." He scowled as I clutched Millas fur tighter. "We are all animals, aren't we?"

Born in a post apocalyptic world. No idea what happened to her parents. Natasha hits her head while running from, something? She can't remember though, what she does remember is that she is not supposed to be hearing voices. That is, until she realizes where the voices are coming from. To survive, her body has adapted to understand the animals around her. But, was this all just a coincidence, and what does she need to survive from.

After all, the walls of the underground bunker hides quite the secrets. And what's this she hears of a world above?