He is 3 months old, and we heard our first crow out of him, just a few questions, it sounded weak not sick but really quite will he get louder cause he is young or will he just be a quiter crower. And he isnt being a protector of the flock kinda just doing his own thing likes to eat by himself and not share with the hens is this cause of age? And if there are 3-4 roosters in a group if 25 chickens and they all grew up together should they be fine? and the last one, if he is gonna be an agressive rooster how long before he should show signs of aggresion??