cockatiel fighting

My family has 5 young cockatiels going through their first molt and two keep fighting when taken out together with just the two of them, but seem perfectly fine when inside the cage even grooming each other or when all 5 are out together. They aren't sexed but we believe one is male and the...

PLEASE HELP! I got my cockatiels on June 28 2021. One is a male and the other is a female. My female is a Lutino and my male is yellow from the top and a light yellow from the body, he looks like a Lutino but has no red eyes. So when we got them my male cockatiel starts biting and hitting the...