So you have 17 females and 9 males all together, right? The boys are going to be sowing their oats often. The standard recommendation is a minimum of 10 female chickens for each male. Overmating can lead to feather loss/baldness especially on backs, necks, and heads. This can also lead to...
Ok, I was "close" on the first 2. :gig
I think your birds are possibly under a year old? so they would officialy be cockerels and pullets. But for now let's say they're a year old n call em roosters and hens.
Wow! Do you have plans for your roosters?
Not sure about the first, a mix of Orpington and ?? maybe? The rest of the pullets I'd venture a guess of Easter Eggers. The cockerel? Gorgeous! Great photo of him.
Im a total newbie so I'm following to see what those with knowledge will have to say. Lets see how i do on my amateur guesses.