Marbled polecat vs Stoat
The marbled polecat is heavier: 450.4 g against 119.4 g for the stoat, about 3.8 times the weight.

Photo: katharinegk · CC BY 4.0 · Wikimedia Commons

Photo: Marton Berntsen , crop by User:MPF · CC BY-SA 4.0 · Wikimedia Commons
What is the difference between a marbled polecat and a stoat?
Each point below is worked out from a pair of recorded values.
- The marbled polecat is heavier: 450.4 g against 119.4 g for the stoat, about 3.8 times the weight.
- The stoat is longer-lived: 11.1 years against 8.9 years for the marbled polecat, about 25% longer.
- They share the family Mustelidae but sit in different genera: Marbled polecat in Vormela, Stoat in Mustela.
- The marbled polecat is listed as Vulnerable on the IUCN Red List; the stoat is Least Concern.
Side by side
| Marbled polecat | Stoat | |
|---|---|---|
| Scientific name | Vormela peregusna | Mustela erminea |
| Family | Mustelidae | Mustelidae |
| Order | Carnivora | Carnivora |
| Weight | 450.4 g – 542.5 g | 110.3 g – 324 g |
| Length | Not recorded | Not recorded |
| Lifespan | 8.9 years | 5 years – 11.1 years |
| Main food | Not recorded | arvicola amphibius, european hamster, ochotona, poponejo |
| Habitat | grassland | forest, shrubland |
| Conservation status | Vulnerable | Least Concern |
| Countries recorded | Not recorded | 1 |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: Marbled polecatFull record: StoatCompare other animals