This is one of the chicks from my recessive pied and lutino pair, one of it's wing has a few flight feathers that resemble that of a cinnamon, any idea why? Could it be that one of it's grandparents were cinnamon? And is this a rare or common thing to find in budgies?
I personally don't see any Cinnamon colouring. What you're seeing is the "grizzled" effect that recessive pied usually have on wing markings. Markings usually aren't as sharp or defined as regular wing markings and can appear a little fuzzy.
How about this little guy, he is from the same clutch(yellow recessive pied and lutino), he is obviously a cinnamon with what seems to be dark green feathers and 2 color factors because he's got some blue feathers on his stomach, could this be traits inherited from grandparents? Maybe one of his grandparents was a cinnamon and since both of his parents have recessive traits one of his grandparents dominant traits made it through to him? Or could it be that since his mother fed but didn't incubate him for a week after hatching it somehow messed with his traits? He is smaller then usual and took over 6 weeks to grow up, I hand fed him for 5 weeks after I noticed his significant lack of growth a week after he hatched.
Both these chicks are greens, so the yellow is expected.
The third pic looks a lot more like SF YF2 or SF GF to me. I think I'd have to see it from another angle to be sure, though. The first chick also has a stray blue/violet feather towards the base of its tail, although I'd say that's more likely a result of it being split for blue.
I agree with Toni, all chicks are greens. The blue near the third chick's tail is likely the result of either violet or being split for blue. The yellow in the tail feathers is too dark not to be green series
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