Early May we bought 50 Leghorn pullets (so we thought). They were 9 weeks old then and looked all girly. Last week we finally admitted that 44 of them were actually fiesty young men. Although it was heartbreaking, we had to get rid of them, as it's quite heavy on the budget! We kept 6 that looked like hens with small combs and a more "flat" built. We also kept one rooster with quite an attitude! But now, all of a sudden, the girls seem to turn into boys again! The combs are definately bigger and redder, and they walk more upright. Someone mentioned that when there are a lot of roosters together, some will "pretend" to be hens to avoid fighting. I have no idea whether this can be true. They are about 20 weeks old now, and although they're not crowing, they're not laying either. Should I just leave them be for now and see what happens?