Chicken breed identification

[Kevmen parto]

 

[oldhenlikesdogs]

Looks like some cochins and either Rhode island red or some red sex links.

 

[Chickenlady2000]

Red ones look like my Rhode island Red to me. It might also help to keep track of the amount of eggs you get from them as RIR are known for their production

 

[JedJackson]

At bottom, the red hen looks to be a production type Rhode Island Red.

The other red one in back has a white tail, so probably a red sex link or RSL crossed with RIR.

The other three look to be mixes to me.

The blue one has a crest and a pea comb. Maybe a Brahma cross.

The black one looks like it is part Langshan, Cochin, Brahma or Marans.

I don't know what the rooster is. Probably a random mix. He looks like he might be ill. If so, I'd separate him from the rest of the flock.