From what I know of Rosellas, in the wild their life spans are around 15 years or so, but in captivity, if fed a healthy diet that is well rounded, they typically live 25-30 years.
They are gorgeous birds, my aunt has 2 Eastern Rosellas, and wow are they very different birds. One was hand raised and purchased from a local breeder near her home in Florida, and this bird is the sweetest, cuddly little bird you'd ever want to meet and have as your own. She snuggles, sleeps on her chest, and eats dinner while sitting on her lap at the dinner table. The other one was purchased at a bird store in Florida that breeds their own birds, or so they say, but if they do they certainly do not hand-raise them. This bird is the meanest, nastiest bird I've ever been around, and all I can say is the one time I was down there visiting her I was so glad that they are little birds, because if they were large birds I would be missing many fingers and an eyeball. That Rosella is like having a wild Blue Jay that you grabbed outside and brought into your house to live. He flies all over the house willy nilly, knocking everything over and breaking things, then she will land on your head or your shoulder, but the back of your shoulder so that you can't see her, and will proceed to rip your hair out at the root. Then when you go to get her off of you she tries her best to bite your fingers off, and KNOWS somehow to go for your cuticles...the last morning there before I left to go on to Fort Myers (she lives in Tampa), and I was dreading the drive before this happened, she was sitting on top of the refrigerator and I walked out to the kitchen to have breakfast. I poured a bowl of cereal, poured the milk, got a spoon, etc., and she was watching every little thing I did so intently that it creeped me right out. I asked my aunt why she was doing this, and she said "oh she's such a good girl, you've really got a complex about her, don't you?"...well yeah, I do now...I sat down and began eating my Captain Crunch, minding my own business and watching the demon spawn out of the corner of my eye, and I swear the minute I looked away from her and looked at the newspaper instead, I heard her wings flapping away, I looked up, and like a bullet she shot across the room and literally flew directly into my left eye with her beak. And I knew she did this because she could get away with "flying into me", as it was said by my aunt...she didn't bite, she accidentally "flew into me"...uh huh. Evil, evil demon spawn, camouflaged in rainbows.
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