Here is a good resource for sexing a budgie:
Cut Little Birds Aviary
https://www.cutelittlebirdiesaviary.com/why-so-many-young-budgies-are-incorrectly-sexed.html
Let me start by saying this is a journey that began many moons ago. At the ripe age of 8 years old, I was given a 1-day old chick. That chick grew into a strapping handsome rooster named Charlie. Charlie remained a part of my life for a period of 8 months. My family lived in the suburbs of...