American Kestrel vs Gyrfalcon
How does the American Kestrel compare to the Gyrfalcon? They are both members of the Falconidae 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
- Falco sparverius
- Falco rusticolus
- Classification
- Bird
- Bird
- Family
- Falconidae
- Falconidae
- Habitat
- Open woodlands, grasslands, agricultural fields, deserts, and urban areas
- Arctic tundra and mountainous regions
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 3-6 years in the wild
- 13-20 years
- Weight
- 80-165 g
- 1.0–2.1 kg
American Kestrel vs Gyrfalcon: who would win?

American Kestrel
80-165 g

Gyrfalcon
1.0–2.1 kg
Gyrfalcon wins high confidence
Gyrfalcon is substantially heavier (1.0–2.1 kg vs 80-165 g). 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 birds.
- Both belong to the Falconidae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Open woodlands, grasslands, agricultural fields, deserts, and urban areas vs Arctic tundra and mountainous regions.
- Weight: 80-165 g vs 1.0–2.1 kg.
American Kestrel vs Gyrfalcon: FAQ
Who would win in a fight, a American Kestrel or a Gyrfalcon?
Gyrfalcon wins. Gyrfalcon is substantially heavier (1.0–2.1 kg vs 80-165 g). 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 Kestrel and a Gyrfalcon?
American Kestrel and Gyrfalcon differ in several ways — habitat: open woodlands, grasslands, agricultural fields, deserts, and urban areas vs arctic tundra and mountainous regions. weight: 80-165 g vs 1.0–2.1 kg.
Do American Kestrel and Gyrfalcon live in the same habitat?
No — American Kestrel lives in open woodlands, grasslands, agricultural fields, deserts, and urban areas, while Gyrfalcon is found in arctic tundra and mountainous regions.
What do American Kestrel and Gyrfalcon eat?
Both American Kestrel and Gyrfalcon have a carnivore diet.
Which is more endangered, the American Kestrel or the Gyrfalcon?
American Kestrel is listed as Least Concern, while Gyrfalcon is listed as Least Concern.
How big are American Kestrel and Gyrfalcon?
American Kestrel weighs around 80-165 g, while Gyrfalcon weighs around 1.0–2.1 kg.

Full profile
American Kestrel

Full profile
Gyrfalcon



