How Do You Know if the Smell Is a Dead Rodent?If you have a powerfully strong, nauseatingly unpleasant smell in your home and you cannot identify the source, chances are very good that it is a dead mouse in your walls. Once you know what a dead mouse smells like, you'll be able to identify it immediately if you encounter it in the future. It is a very distinctive smell but has qualities similar to other odours that you may be more familiar with:
- When a mouse first dies, it gives off a smell of sulphur. This is an odour you may encounter when you strike a match, and some people compare it to rotten eggs.
- As the mouse's body continues to decompose, you may smell methane. This is similar to the odour of paint thinners.
- A dead mouse may also give off a smell of ammonia, similar to urine or certain cleaning agents.
- As the decomposition speeds up, you may detect an odour similar to soil or rotten food.