So I’m sorta new to birds, and I’m kind of confused on the gender, I heard that brown/crusty is for female and purple/blue is for male. I always thought my green bird was a boy but lately his/her cere is kind of crusty but it has a bit of blue on it? He’s roughly probably a year old so his cere should be getting its final color right? And the blue one I’m not sure how old she is but she’s younger than him. They’re really friendly with each other sometimes and the green one always feeds the blue, and the blue one always grooms him. But they also peck and squawk regularly so I kind of thought hmm maybe they’re both girls because girls are more territorial? I have pics here but my camera isn’t the greatest.
https://m.imgur.com/a/yqEo8Ae
https://m.imgur.com/a/yqEo8Ae