In UK, if its body (less its tail) is about 5 to 7 cm long it is probably a mouse. Rats grow to be much bigger, and indoors it is more usually a mouse.
If there is a hole in the sofa, that might be where the creature has made a nest.
The situation is made more difficult by having a young child, but some ways to get rid of it are
With a baited spring trap. ...
Making screens for doors and windows is easy to do; but, there is an initial investment which may be greater than ordering a number of screens at the same time at a negotiated price.
You would go to an industrial hardware supplier or a hardware store forThe raw materials.
Window screen frame stock. It usually comes in 12' lengths of rolled or extruded ...
My wife discovered something that most ants loathe and detest. They will go to any lengths to avoid it and escape it. They will not go near it.
All you do is put a TINY amount on, in, or near any thing or area where ants are and… They're gone.
She first noticed its effect on tiny black ants in a bathroom and then with tiny pharaoh ants.
What is this magic ...
I often use a small, handheld vacuum (such as a Dust Buster or Dirt Devil).
If you chase the flying insect around, you can often catch it, especially if it lands somewhere (wall, window, mirror...). Once you catch it inside the vacuum, step outside, open up the vacuum to empty it, and let the insect fly away.
(Note: I've been doing that with our most ...