@ about 1week old.
Not really sure guessing @ about 8 to 10 weeks.
Around 16 or 17 weeks.
I really need to get an update picture.
Dad was a Blue Red Naked Neck.
Mom was a Wheaten Duckwing Naked Neck ( also known as Silver Wheaten).
So @Kev would she be considered a Partridge ( maybe Red Partridge) also. Her under color is a blueish color with a deep red over that. There are faint patterns in her also.
She definitely is partridge, that chick pic is a classic variation of partridge chick down.
She is a little light for a partridge so she has something else affecting the color/pattern but I don't know what it is.
This is a straight partridge hen, no other genes affecting her color or pattern. Naturally pretty dark.
I think I've figured this Hen out. Having lost the other hen ( posted above). I figured out who laid the dark brown egg. None of the hens I've ever had laid one so dark. So the Red Partridge hen I've quoted lays this egg:
not sure if you'll be able to tell how dark it really is.
Well getting back to figuring her out.
From this hatch I had put a Red pea combed rooster ( was 1/4 EE) in with some Welsummet hens. I had only gathered 3 or 4 eggs from the run to set. When the eggs hatched I had counted ( or thought I had) the eggs and thought none had hatched.
But jm guessing now I missed and counted a wrong egg ( I marked with the run number on it) must have read a wrong number.
This explains the marbling partridge color on that chick along with a redder color than the Welsummer.