The white feathers you're seeing are called "stress" feathers. When the tail feathers, hackle feathers and wing feathers show white, you can rest assured that THEN they will be sex-links.
As of now, they look to be Production Reds. Which are good layers and MUCH more friendly in my opinion.
As of now, they look to be Production Reds. Which are good layers and MUCH more friendly in my opinion.