5wk old identification help RIR pullet?

[MrsMeanGreen]

Both are cockerels.

Thank you
Any general tips on identifying the difference between the ladies and gentlemen that kind of apply to most breeds?

 

[MrsMeanGreen]

Looks very different from another chick that came home with her from the RIR pullet tub at Tractor Supply
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This is my other sweet girl from the RIR bin
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::UPDATE:: Hubby says, no it wasn't a pullet tub at TSC! It was a RIR straight run tub. Which I will refer to in the future as, The Mystery Roo Bin!

 

[Painted Calls]

Thank you
Any general tips on identifying the difference between the ladies and gentlemen that kind of apply to most breeds?

Comb and wattles development around the 6-8 week mark. Big, or bright red at that age always equals male.