I NOTICED WHAT LOOKS LIKE MISSING SKIN ON MY BABY BRB'S BACK, I DONT THINK ITS A MOUSE BITE/ SCRATCH BECAUSE I WAS WATCHING THE WHOLE TIME HE ATE, BUT IDK, MAYBE HE'S ABOUT TO GO INTO SHED BUT LAST TIME IT DIDNT LOOK LIKE THIS PRIOR TO SHED. IF ANYONE KNOWS WHAT THIS IS PLEASE LET ME KNOW.