Roo?

[Donette]

Barnyard mix (some combination of birds in this flock) 3 weeks. Roo? It’s the only one with a comb this pronounced and it’s a salmon color while the others have yellow combs.

 

[SilverBirds]

Yes, it's a cockerel.

 

[Ilovemychicks08]

Cockerel

 

[ShrekDawg]

Yes, cockerel which is what a male bird under a year old is called. Over a year is a rooster. The rest look like pullets which are females under a year and hens are females over a year old.