Hello! I'm new on the birds community and confused about trying to figure out if my green budgie is female or male? I found the blue one in my backyard a big bird was chasing him and I rescue him. Me and my kids don't want seeing him eating by other bird so I choose to keep him and decided to give him a company the green one. in petco they don't told me what sex was and Im so confuse because the green have blue, pink, purple, white cere, I think for what I search that the light blue is a boy But still dont know about the green. PLEASE someone can help me? Thank you so much...