Grizzly Bear vs Brown Bear
Quick answer
In a hypothetical one-on-one, the Grizzly Bear would most likely come out on top in a close contest, thanks to its more dangerous natural weapons. 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 ConcernGrizzly Bear vs Brown Bear compared
| Attribute | Grizzly Bear | Brown Bear |
|---|---|---|
| Weight | 360 kg | 350 kg |
| Length | 2 m | 2.8 m |
| Top speed | 56 km/h | 56 km/h |
| Strength | 92/100 | 90/100 |
| Deadliness | 80/100 | 70/100 |
| Intelligence | 70/100 | 55/100 |
| Lifespan | 25 yr | 25 yr |
Grizzly Bear vs Brown Bear: common questions
Who would win in a fight, a Grizzly Bear or a Brown Bear?
In a hypothetical one-on-one, the Grizzly Bear would most likely come out on top in a close contest, thanks to its more dangerous natural weapons. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Grizzly Bear or the Brown Bear?
The Grizzly Bear is heavier, weighing around 360 kg compared with the other's 350 kg.
Which is faster, the Grizzly Bear or the Brown Bear?
The Grizzly Bear is faster, reaching about 56 km/h versus 56 km/h.
Which lives longer, the Grizzly Bear or the Brown Bear?
The Grizzly Bear typically lives longer, up to around 25 years compared with 25 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:
- Grizzly Bear — full guide
IUCN Red List (Least Concern, Ursus arctos horribilis)
- Brown Bear — full guide
IUCN Red List (Least Concern, Ursus arctos)
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Animal Diversity Web — University of Michigan Museum of Zoology
Life-history, morphology, and measurement data for Grizzly Bear and Brown Bear.
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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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