The first 2 look much lighter in color... so male.Here are some photos of the 7 week old doms. I didn't get them all, and the photos are from a poor camera.
This first little one (double purple band) is much smaller than the others and was from hatch. He/she grows slowly. I've wondered if the breeder had any bantams and this one got in by mistake but haven't checked with her. For a long time I suspected it was a boy due to it's very outgoing behavior. It always runs right over and wants to be with me.
Double purple band...
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Green Band. Not a great photo. I've also wondered if this one is male. View attachment 1490191
Red & Green Band View attachment 1490194
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Red & Purple Band
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And...The offending cockerel - blue band.
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There is one more that I didn't get. I think it's the one in this photo (no band).
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Nice set of birds.