The first one is this little black one..it's much smaller than the rest and seems to have a double comb although it hasn't grown much..
Next is this smaller white one who looks like the bigger two white ones (shown below) except it looks like it has a double comb too like the black one...
I am new to owning any type of birds. We have 10 New Guinea hens that are about 10 weeks old. I started noticing they all are missing feathers on the back of their necks. I've read about them pecking at eachother but I don't ever see them being aggressive towards eachother. I went out for the...