OK, I GOT THE SEXING PART: Best Answer - Chosen by Asker It's not really easy. Some birds you can tell just by the wing feathers. But, you have to know exactly what breed you have, and what the traits are.... Easiest way (and it isn't foolproof) is to flip the bird over. Gently use a finger to pull the skin away from the vent, moving towards the belly. You have to be careful, or you can cause the bird injury. A female will have a dull pink flat spot. A male will have a shiny bump. Don't bet that you'll get it right every time, but it can give you a pretty good start. 3 years ago BUT HOW DO YOU MARK THEM? NAIL POLISH? MARKER....I MEAN THEY ARE TINY!!!! HATCHED LAST NIGHT, AND STILL HATCHING MORE...I HAVE 32 IN THE BATOR...KNOW ALL WONT MAKE IT.