My apologies if this has been addressed elsewhere on the forum - if so, please just point me in the right direction. I'm a first-time chicken mama, so I'm just figuring this all out as I go along. I've got a flock of six chicks all about the same age - about 3-4 weeks - and two are starting to stand out a bit. One is a Barred Rock who has always been a little larger than the other chicks, and the other is an Ameraucana who used to be one of the smallest. They're both now noticeably larger than the other chicks, more filled-out in the chest and with bigger feet. All of the birds pick on each other a bit, but these two bigger birds seem to chase each other around more. So my question is - are size and behavior possible early indicators that a hopefully-hen is an actually-rooster? Or will I never really know until they either crow or lay an egg? Thanks in advance!