Today I went to see an experienced chicken person to purchase a chick to add to my little urban flock of 5 chicks, she looked at my 3 RR's chicks and thinks all 3 are Roos ;- ( I was glad that she thinks the 2 BR's are pullets they are super tame and friendly(my favorites)....she did tell me to wait and be sure...... when is that when they start crowing and I'm way too attached? geez their only 3 1/2 weeks old and I'm really bummed.