Shamo Chicken Size – How Tall Do Shamo Get?
Shamo are the tallest chicken breed in the world.
Quick answer: O-Shamo rooster = 30-32 inches tall (75-80cm), Chu-Shamo = 26-28 inches.
That’s 2x taller than a normal chicken.
Shamo Size Chart
Type | Rooster Height | Hen Height | Rooster Weight | Hen Weight
O-Shamo (large) | 30-32″ | 26-28″ | 11-13 lbs | 7-9 lbs
Chu-Shamo (medium) | 26-28″ | 22-24″ | 8-10 lbs | 6-8 lbs
Nankin-Shamo (bantam) | 16-18″ | 14-16″ | 3-4 lbs | 2-3 lbs
Shamo vs Normal Chicken Size
Normal rooster = 15 inches tall. Shamo O-Shamo = 32 inches. Shamo is literally twice as tall and stands upright like a human.

When Do Shamo Reach Full Size?
Shamo grow slow:
- 6 months: 70% height
- 12 months: 90% height
- 18-24 months: full height and muscle
Don’t sell as adult before 12 months.
Why Size Matters for Price?
Taller Shamo = more money. O-Shamo $900+ because they are tallest.
See prices: Shamo chicken price in USA
See birds: Pure Shamo gamefowl for sale