You are describing a Cochin/ Rhode Island Red crossbreed. It could also be a throwback gene in an otherwise pure Black Cochin.
Yes, Isa brown chicken is a cross breed of a Rhode Island red and a Rhode island white.These chickens layover 300 eggs per chicken per year.
The state bird of Rhode Island is the "Rhode Island Red" (a type of chicken).
The Rhode Island Red
Rhode Island does not have an official state mascot.
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.
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.
Rhode Island's state bird is the Rhode Island Red and the state tree is the Red Maple.