Groundhog vs North American Porcupine
Quick answer
In a hypothetical one-on-one, the North American Porcupine would most likely come out on top in most encounters, 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 ConcernGroundhog vs North American Porcupine compared
| Attribute | Groundhog | North American Porcupine |
|---|---|---|
| Weight | 5 kg | 9 kg |
| Length | 65 cm | 80 cm |
| Top speed | 16 km/h | 3 km/h |
| Strength | 25/100 | 20/100 |
| Deadliness | 5/100 | 25/100 |
| Intelligence | 42/100 | 40/100 |
| Lifespan | 6 yr | 18 yr |
Groundhog vs North American Porcupine: common questions
Who would win in a fight, a Groundhog or a North American Porcupine?
In a hypothetical one-on-one, the North American Porcupine would most likely come out on top in most encounters, 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 Groundhog or the North American Porcupine?
The North American Porcupine is heavier, weighing around 9 kg compared with the other's 5 kg.
Which is faster, the Groundhog or the North American Porcupine?
The Groundhog is faster, reaching about 16 km/h versus 3 km/h.
Which lives longer, the Groundhog or the North American Porcupine?
The North American Porcupine typically lives longer, up to around 18 years compared with 6 years.
Sources & references
Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:
- Groundhog — full guide
IUCN Red List (Least Concern, Marmota monax)
- North American Porcupine — full guide
IUCN Red List (Least Concern, Erethizon dorsatum)
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