If you answer this question you will get ten points. this question is about my budgie.bird experts needed thnx

OK TOU WILL GET THE BEST ANSWER WHICH GETS YOU TEN POINTS IF YOU ANSWER FIRST. MY BUDGIE WAS BOUGHT A FEW WEEKS AGO AND WAS BOUGHT AT A PET SHOP.IT MUST BE YOUNGER THAN I THOUGHT BECAUSE THE CERE WAS A WHITE WHEN I BOUGHT IT AND THEN TURNED BROWNIS VERY VERY LIGHT BROWN. BUT NOW IS TURNING A BLUE TINGE THAT IS GETTING DARKER BUT THAT BROWN IS STILL THERE BUT IT FADING GRADUALLY. WHAT MY QUESTION IS IS MY BUDGIE A GIRL or A BOY AND IS THIS NORMAL FOR YOUNG BUDGIES PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!...