Average boa size?

[Dutti]

My yearling male BI is about 15 months and no where near that size

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Maybe this is hard to believe.. The parents of my BCI were 13 years old when he was born. The father was at that age 1,60 meter (63 inches, 5,20 feet) and the mother was 1,70 meter (67 inches, 5,60 feet) long. So snakes are different. And snake keepers are also different. I saw a BCI for sale who was 7 years old and only 1,05 meter (41 inches, 3,40 feet) long.