what kind of bird is a cornish hen
Cornish game hen The Rock Cornish game hen or Rock Cornish hen is a cross between the Cornish Game and White Plymouth Rock chicken breeds.[1] This breed develops a large breast over a short period of time compared to game hens.[1] Rock Cornish game hens weigh about 2.5 pounds (1.1 kilograms) after four to six weeks, at which time they are slaughtered.[1]