Stoat vs Weasel
Quick answer
In a hypothetical one-on-one, the Stoat would most likely come out on top decisively, thanks to its more dangerous natural weapons and raw strength. In reality, animals like these rarely meet, and both would usually avoid a fight.
This is a hypothetical, educational comparison based on typical size, strength, and natural weaponry. In the wild these animals rarely meet, and most encounters end without a fight.
Mammal
Least Concern
Mammal
Least ConcernStoat vs Weasel compared
| Attribute | Stoat | Weasel |
|---|---|---|
| Weight | 300 g | 100 g |
| Length | 30 cm | 20 cm |
| Top speed | 25 km/h | 25 km/h |
| Strength | 25/100 | 10/100 |
| Deadliness | 35/100 | 12/100 |
| Intelligence | 52/100 | 30/100 |
| Lifespan | 7 yr | 3 yr |
Stoat vs Weasel: common questions
Who would win in a fight, a Stoat or a Weasel?
In a hypothetical one-on-one, the Stoat would most likely come out on top decisively, thanks to its more dangerous natural weapons and raw strength. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Stoat or the Weasel?
The Stoat is heavier, weighing around 0.3 kg compared with the other's 0.1 kg.
Which is faster, the Stoat or the Weasel?
The Stoat is faster, reaching about 25 km/h versus 25 km/h.
Which lives longer, the Stoat or the Weasel?
The Stoat typically lives longer, up to around 7 years compared with 3 years.
Sources & references
Conservation status follows the IUCN Red List of Threatened Species; size, weight, speed, and lifespan figures are drawn from Animal Diversity Web (University of Michigan Museum of Zoology) and Nowak, Walker’s Mammals of the World (Johns Hopkins University Press), cross-checked against each species’ own guide. Compare full profiles for habitat, diet, and behaviour:
- Stoat — full guide
IUCN Red List (Least Concern, Mustela erminea)
- Weasel — full guide
IUCN Red List (Least Concern, Mustela nivalis)
-
Animal Diversity Web — University of Michigan Museum of Zoology
Life-history, morphology, and measurement data for Stoat and Weasel.
-
Nowak, R. M. (1999). Walker’s Mammals of the World (6th ed.). Johns Hopkins University Press.
Standard reference for body size, weight, and life-span ranges.
-
Global Animal Guide editorial standards
How we research, source, and review wildlife comparisons.
Embed this matchup
Drop this iframe on your site — free for non-commercial use with the visible attribution link intact.