This one likes to pick fights with everyone. It pecked the other 2 pullets' tail feathers so now it's the only one with a tail.
They're all 12 weeks old
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Adding this last picture to show that there are 3 birds:
I'm wondering if there's certain behavior that only young cockerels show.
Like any type of behavior that only they have before the crowing or combs come in.
Do cockerels sometimes show bossy behavior?