American Bullfrog vs European Common Frog
How does the American Bullfrog compare to the European Common Frog? They are both members of the Ranidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Lithobates catesbeianus
- Rana temporaria
- Classification
- Amphibian
- Amphibian
- Family
- Ranidae
- Ranidae
- Habitat
- Freshwater wetlands, ponds, lakes, and slow-moving streams
- Freshwater ponds, marshes, meadows, and woodlands
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 7-9 years in the wild
- 5-10 years
- Weight
- 0.5–0.8 kg (1.1–1.8 lbs)
- 22–45 grams
American Bullfrog vs European Common Frog: who would win?

American Bullfrog
0.5–0.8 kg (1.1–1.8 lbs)

European Common Frog
22–45 grams
American Bullfrog wins high confidence
American Bullfrog is substantially heavier (0.5–0.8 kg (1.1–1.8 lbs) vs 22–45 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are amphibians.
- Both belong to the Ranidae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Freshwater wetlands, ponds, lakes, and slow-moving streams vs Freshwater ponds, marshes, meadows, and woodlands.
- Weight: 0.5–0.8 kg (1.1–1.8 lbs) vs 22–45 grams.
American Bullfrog vs European Common Frog: FAQ
Who would win in a fight, a American Bullfrog or a European Common Frog?
American Bullfrog wins. American Bullfrog is substantially heavier (0.5–0.8 kg (1.1–1.8 lbs) vs 22–45 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a American Bullfrog and a European Common Frog?
American Bullfrog and European Common Frog differ in several ways — habitat: freshwater wetlands, ponds, lakes, and slow-moving streams vs freshwater ponds, marshes, meadows, and woodlands. weight: 0.5–0.8 kg (1.1–1.8 lbs) vs 22–45 grams.
Do American Bullfrog and European Common Frog live in the same habitat?
No — American Bullfrog lives in freshwater wetlands, ponds, lakes, and slow-moving streams, while European Common Frog is found in freshwater ponds, marshes, meadows, and woodlands.
What do American Bullfrog and European Common Frog eat?
Both American Bullfrog and European Common Frog have a carnivore diet.
Which is more endangered, the American Bullfrog or the European Common Frog?
American Bullfrog is listed as Least Concern, while European Common Frog is listed as Least Concern.
How big are American Bullfrog and European Common Frog?
American Bullfrog weighs around 0.5–0.8 kg (1.1–1.8 lbs), while European Common Frog weighs around 22–45 grams.

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American Bullfrog

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European Common Frog







