Yes, Cloudy is a female. But I do not keep them in the same cage. I have another male budgie, Sky, who is in the same cage as Sunny, and another female budgie, Stormy, who is in the same cage as Cloudy. Sunny is about one and a half years old. Cloudy is a little younger. I do interact with Sunny everyday. And yes, this did happen when spring/summer started. I've noticed the past few days, after I made this post, Sunny has been a little nicer and not biting as hard. He still won't go on my finger again but I can hold him for a while, then he starts biting. Thanks for your help, everyone.