House mouse vs Servant mouse
The servant mouse is heavier: 22.9 g against 16.3 g for the house mouse, about 41% more.

Photo: Dion Art · CC BY-SA 4.0 · Wikimedia Commons
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What is the difference between a house mouse and a servant mouse?
Each point below is worked out from a pair of recorded values.
- The servant mouse is heavier: 22.9 g against 16.3 g for the house mouse, about 41% more.
- Both belong to the genus Mus, so they are close relatives.
- The house mouse is listed as Least Concern on the IUCN Red List; the servant mouse is Endangered.
Side by side
| House mouse | Servant mouse | |
|---|---|---|
| Scientific name | Mus musculus | Mus famulus |
| Family | Muridae | Muridae |
| Order | Rodentia | Rodentia |
| Weight | 15.3 g – 20.5 g | 22.9 g |
| Length | Not recorded | Not recorded |
| Lifespan | 5 years | Not recorded |
| Main food | Not recorded | Not recorded |
| Habitat | grassland | Not recorded |
| Conservation status | Least Concern | Endangered |
| Countries recorded | 1 | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: House mouseFull record: Servant mouseCompare other animals