Chicken vs duck vs goose vs ostrich: size comparison
This comparison shows the size differences between a chicken, duck, goose, and ostrich. While chickens, ducks, and geese share similar proportions, the ostrich is significantly larger than the others.
Biggest vs smallest
6.25× the size
ostrich vs chicken
- chicken
- about 15.7 in (40 cm) long and 15.7 in (40 cm) tall · 5.51 lb (2.5 kg)
- duck
- about 17.7 in (45 cm) long and 13.8 in (35 cm) tall · 2.43 lb (1.1 kg)
- goose
- about 31.5 in (80 cm) long and 27.6 in (70 cm) tall · 11 lb (5 kg)
- ostrich
- about 6.89 ft (2.1 m) long and 8.2 ft (2.5 m) tall · 265 lb (120 kg)
Typical adult or standard sizes; real ones vary.
Questions people ask
- Which bird is the heaviest?
- The ostrich is the heaviest at 265 lb (120 kg).
- How do the lengths of a chicken and a goose compare?
- A chicken is about 15.7 in (40 cm) long, while a goose is about 31.5 in (80 cm) long.
- Is a duck taller than a chicken?
- No, a duck is 13.8 in (35 cm) tall, while a chicken is 15.7 in (40 cm) tall.