Originally Posted by Nuts4Birdies
The other weird thing is that if he is opaline then all the males babies would be too. Right? Cause its sex linked? One of the blue ones looks opaline due to the blue grey on the back of him neck. My rp girl is opaline and has those same markings. I'm assuming male there based on the sex link. The other 3 must be females.
Well since birds are the opposite of people when it comes to sex chromosomes, males are ZZ (XX) and females are ZW (XY), so actually all the females should be opaline if the male parent is opaline.