American Bullfrog vs Southern Leopard Frog
How does the American Bullfrog compare to the Southern Leopard 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
- Lithobates sphenocephalus
- Classification
- Amphibian
- Amphibian
- Family
- Ranidae
- Ranidae
- Habitat
- Freshwater wetlands, ponds, lakes, and slow-moving streams
- Freshwater wetlands, ponds, marshes, streams, and temporary pools
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 7-9 years in the wild
- 2-4 years
- Weight
- 0.5–0.8 kg (1.1–1.8 lbs)
- 15-35 grams
American Bullfrog vs Southern Leopard Frog: who would win?

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

Southern Leopard Frog
15-35 grams
American Bullfrog wins high confidence
American Bullfrog is substantially heavier (0.5–0.8 kg (1.1–1.8 lbs) vs 15-35 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 wetlands, ponds, marshes, streams, and temporary pools.
- Weight: 0.5–0.8 kg (1.1–1.8 lbs) vs 15-35 grams.
American Bullfrog vs Southern Leopard Frog: FAQ
Who would win in a fight, a American Bullfrog or a Southern Leopard Frog?
American Bullfrog wins. American Bullfrog is substantially heavier (0.5–0.8 kg (1.1–1.8 lbs) vs 15-35 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 Southern Leopard Frog?
American Bullfrog and Southern Leopard Frog differ in several ways — habitat: freshwater wetlands, ponds, lakes, and slow-moving streams vs freshwater wetlands, ponds, marshes, streams, and temporary pools. weight: 0.5–0.8 kg (1.1–1.8 lbs) vs 15-35 grams.
Do American Bullfrog and Southern Leopard Frog live in the same habitat?
No — American Bullfrog lives in freshwater wetlands, ponds, lakes, and slow-moving streams, while Southern Leopard Frog is found in freshwater wetlands, ponds, marshes, streams, and temporary pools.
What do American Bullfrog and Southern Leopard Frog eat?
Both American Bullfrog and Southern Leopard Frog have a carnivore diet.
Which is more endangered, the American Bullfrog or the Southern Leopard Frog?
American Bullfrog is listed as Least Concern, while Southern Leopard Frog is listed as Least Concern.
How big are American Bullfrog and Southern Leopard Frog?
American Bullfrog weighs around 0.5–0.8 kg (1.1–1.8 lbs), while Southern Leopard Frog weighs around 15-35 grams.

Full profile
American Bullfrog

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Southern Leopard Frog







