After her exam, Dena handed Charlie the rat back to Chelsea. "Just keep these two separate for now. Gradually, you can move their cages closer together and then completely together with supervision." Dena scratched the iguana's chin as it rested on her shoulder. "I'm sorry Sarah tried to eat Charlie, but she has to learn over time that he's not food."

The young girl blinked up at her with tears in her eyes. "Do you think Charlie's tail will grow back?"

"Sorry, ...