At this age you can sex these birds by their plumage. They are all females.@MenelausMontrose -- the first chick is very much male - lots of broad head spot splashing plus no dark streaks on front of legs or toes. Females definitely have a very visible dark streak down the front of both legs and tops of all toes.
Your next chick head shot also appears to have wide male white splashing rather than a tight white head spot that a female would have.
Chick 3 can't tell much by blurred photo of feet. Chicks move so much it's hard to get clear pics of the little buggers.
And Dom chicks are very human-friendly to the point that you can't leave a room without them screaming for you to come back! After a week in the kiddie pool our Doms would no longer stay in it. We took off the bird netting on top of the pool and just let them run around the kitchen. For a little while they jumped back in the pool to sleep but later picked other spots in the kitchen to slumber. They grew so extremely fast too!
Poor camera pics but shows the smaller white head spots and dark feet/toes of females:
5 days old -- notice the much smaller white head spot on females and dark streaks on legs
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Chicks at 1-months-old -- dark front leg streak still visible - head spot disappearing
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Sleepy time in the kitchen Swiffer basket
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Almost 2-months old -- dark leg/toe streaks still visible and black band on beak prominent
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Hope my poor pics helped a little. I'd love to know the gender you identified your chicks as either males or females to see how we did in sexing them?