Look for brown grease marks chew marks trails and little runways and tunnels in the insulation and most of all look for mouse droppings scattered around.
Is putting mouse traps in attic a bad idea.
Mice and rats love nesting in your insulation if they can find a nice quiet spot to call home but if it happens to be a little busy for them they will just take some of that insulation with them to build a nest elsewhere in your attic walls garage or closets.
Even with larger animals that provide a bigger target like possums or raccoons you would need to kill the animal in a single shot.
First seal the holes leading into the house.
It s a bad idea for several reasons from safety to the unintended consequences that can result.
These traps are baited with food bits which lure mice into the cage and the trap door shuts after them.
But we would never recommend you use rat poison.
Next look all through the home and attic to see where the mice are living.
Remove dead rats with gloved hands.
Live traps such as box house mouse traps and glue traps are useful in getting mice out of the attic without killing them.
The idea of shooting a rat or mouse in the attic is incredibly unlikely to succeed unless you are a championship gun user.
How to kill mice.
There may be as many as two dozen rats in your attic before you even notice odors or damage.
Besides the usual rat traps mouse traps and assorted poisons i have always been on the hunt for rodent proof insulation.
Put out enough traps.
Wrap the dead rats in plastic and place them in the garbage outside putting the lid on the garbage receptacle tightly.
The first issue is that it is not always effective since the mice will have to ingest it which you can t guarantee.
Put out two dozen traps.
Otherwise the animal suffers.
The biggest reason not to use rat poison is potential dangers to children.