Ok I started hatching last night and its a first for me!!! Im so excited...so I got to thinking how am I gonna tell what I have...well I did a internet search and found this, I sure hope it helps others: 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 IM GONNA TRY IT SOON...."DOES ANYONE KNOW HOW TO MARK A BABY CHICK WITH SOMETHING THAT WONT HURT IT? IM WANTING TO MARK MY CHICKS AS THEY HATCH SO I KNOW WHAT I HAVE...NAIL POLISH?...MARKER??? ANY IDEAS???