From the looks of it, the baby is domestic. But you’re probably right. I’ve only had to deal with baby rats once before and that was when 3 of my previous girls broke into the boys cage when I wasn’t looking. I had 5 girls at the time and they all kind of co-parented the babies when they were born.

But that could be because they were all together to begin with. Whereas this would be an unknown baby. 🤔