1. Easter Egger is a Cream Legbar mix to get the blue genes which is why you have a head crest. Female.
2. Russian Orloff looks female.
3. BLR Wyandotte. Male. That's a lot of fleshy red rose comb for 6 weeks.
4. SL Wyandotte...I am leaning to male. The comb is not as fleshy as the BLRW, but...