Ferret vs Weasel
Quick answer
In a hypothetical one-on-one, the Ferret would most likely come out on top in most encounters, thanks to its greater size and power. 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
Domesticated
Mammal
Least ConcernFerret vs Weasel compared
| Attribute | Ferret | Weasel |
|---|---|---|
| Weight | 1.5 kg | 100 g |
| Length | 50 cm | 20 cm |
| Top speed | 25 km/h | 25 km/h |
| Strength | 15/100 | 10/100 |
| Deadliness | 8/100 | 12/100 |
| Intelligence | 55/100 | 30/100 |
| Lifespan | 8 yr | 3 yr |
Ferret vs Weasel: common questions
Who would win in a fight, a Ferret or a Weasel?
In a hypothetical one-on-one, the Ferret would most likely come out on top in most encounters, thanks to its greater size and power. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Ferret or the Weasel?
The Ferret is heavier, weighing around 1.5 kg compared with the other's 0.1 kg.
Which is faster, the Ferret or the Weasel?
The Ferret is faster, reaching about 25 km/h versus 25 km/h.
Which lives longer, the Ferret or the Weasel?
The Ferret typically lives longer, up to around 8 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:
- Ferret — full guide
IUCN Red List (Domesticated, Mustela putorius furo)
- Weasel — full guide
IUCN Red List (Least Concern, Mustela nivalis)
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Animal Diversity Web — University of Michigan Museum of Zoology
Life-history, morphology, and measurement data for Ferret and Weasel.
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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.
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Global Animal Guide editorial standards
How we research, source, and review wildlife comparisons.
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