#1 I'm not sure, looks like some blue in it.
#2 & #3 are both buff orpingtons, redstar/red sexlinks have stripes down their back, also look at those wing feathers coming in, they are buff.
#4 barred rock
#2 & #3 are both buff orpingtons, redstar/red sexlinks have stripes down their back, also look at those wing feathers coming in, they are buff.
#4 barred rock