10-12 years
Grammatical issues, aside, I presume you meant RHODE Island red hens (there's no such thing as LONG Island red hens), which live about five years, the same as any other domesticated chicken.
The state bird of Rhode Island is the "Rhode Island Red" (a type of chicken).
Rhode Island's state mascot is the Red Rooster(Rhode Island Red).
The Rhode Island Red
The Rhode Island Red can be found in a chicken coop.
It was called Rhode island red.
Rhode Island, hence the name Rhode Island Red.
Perhaps in a chicken coop or a hen house but in any case they are not limited to the State of Rhode Island or to the United States.
The official state bird of Rhode Island is the Rhode Island Red Chicken, adopted in 1954.
Rhode Island Red chickens.
The fish commonly known as the "Striped Bass" (morone saxatilis) was designated as the official state fish on July 13, 2000.
4 to 6 months