Harbor Seal vs Hedgehog
Quick answer
In a hypothetical one-on-one, the Harbor Seal would most likely come out on top decisively, thanks to its greater size and power 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
Near ThreatenedHarbor Seal vs Hedgehog compared
| Attribute | Harbor Seal | Hedgehog |
|---|---|---|
| Weight | 100 kg | 1 kg |
| Length | 1.8 m | 25 cm |
| Top speed | 30 km/h | 9 km/h |
| Strength | 30/100 | 10/100 |
| Deadliness | 8/100 | 8/100 |
| Intelligence | 45/100 | 25/100 |
| Lifespan | 30 yr | 5 yr |
Harbor Seal vs Hedgehog: common questions
Who would win in a fight, a Harbor Seal or a Hedgehog?
In a hypothetical one-on-one, the Harbor Seal would most likely come out on top decisively, thanks to its greater size and power and raw strength. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Harbor Seal or the Hedgehog?
The Harbor Seal is heavier, weighing around 100 kg compared with the other's 1 kg.
Which is faster, the Harbor Seal or the Hedgehog?
The Harbor Seal is faster, reaching about 30 km/h versus 9 km/h.
Which lives longer, the Harbor Seal or the Hedgehog?
The Harbor Seal typically lives longer, up to around 30 years compared with 5 years.
Sources & references
Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:
- Harbor Seal — full guide
IUCN Red List (Least Concern, Phoca vitulina)
- Hedgehog — full guide
IUCN Red List (Near Threatened, Erinaceus europaeus)
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Global Animal Guide editorial standards
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