

Male or Female Deer mouse?
This mouse came into my care over a month ago. I work at a gas station that sadly uses poison rat traps outside. A customer found a baby mouse in the middle of the parking lot with no mother to be seen. It was dehydrated and cold, so I decided to take it in to give it a second chance at life.
Anyway, I was just wondering if anyone can tell if it's a male or female? I know this is probably a stupid question. It kind of looks like it has balls, but they aren't always visible like that.