I butchered two of my Roosters (Crosses between Cinnimon queens and Unknown Roosters) One was white with orangey feathering in the breast and back the other was red and white like the hens. They were hatched on Mother's day. They were small only like 3-4 pounds couldn't even get my hand inside them. After cleaning them I let them sit in the fridge for maybe 1-1/2 - 2 days then froze them. I cooked one up last night for soup and it was very tough and chewy. I boiled him for hours still pretty tough but edible. Also, it was the darkest chicken meat I've ever seen in my life! It looked like a Rabbit!! Even the breasts are dark. I'm curious as to why? Is it something I'm feeding them? They eat Layer diet and have been eating grasses, bugs, veggies and fruits (nothing acidic) as well as breads all summer. I've read about Myoglobin (a protein in the blood) that can cause dark meat because of the oxygen in the muscles. So, I thought I should mention that yes my birds do fly around a bit when jumping off their perches as well as in the summer their door is up high so they actually fly in and out of their coop into their yard.