These are known as the first breed of chickens established in the Americas. Poultry lovers have been working in recent years to increase numbers of this breed, which had nearly gone extinct. These black and white barred birds are great foragers, have rosecombs, and lay brown eggs. Average mature weight: hens 5 lbs. The Pullets are fully vaccinated, beak trimmed, floor raised and ready to move into your laying barn.