I’ve been staying at our ethanol plant in Moses Lake, and I’ve got a bit of a rodent problem.
The locals tell me that these are “field mice”, and that if you have a place near grain fields these will invade your home. Wikipedia says “field mice” actually are meadow voles. Reading further, one can tell the difference by doing things like counting toes and looking at ear shapes and the like. I’ll more carefully examine the next prisoner and likely extract more information from him.
So far I’ve caught 3 with the Mouse Cube. Walmart sells these for $1.50. They catch the mouse because they can push a door open from the outside, but can’t open it again from the inside. Here’s prisoner #3 checking to see if that door is going to open just one more time: