At 3 months of age, someone who had been raising chickens for 20 years should be able to tell the difference between pullets and cockerels.
But, I found my self on here asking questions about some BR pullets that I bought. They are 3 months old now, actually a little over 3 months old. So, I...
If it looks like a rooster, I will bet it will never lay an egg.....
And both of them look like roosters to me. By the way, how long have you had them ?