While i was cleaning the coop i found a mouse! I have my waterer on top of cinder blocks to keep in cleaner, and it was living in one of the holes, all cozy in the shavings. It was a BIG mouse. I'm not exaggerating because i am not afraid of mice. We found another on the other day (which is rare...we have cats) Its only two but one and one can have a ton....Will this turn into a problem? what should i do about it?