Hi Mitch,
My wife and I love our two ekkies, a 3 year old female and a 2 year old male. Everyday I continue to be amazed by their beauty. They are great companions ( as I am sure many other parrot species are). [btw, our ekkies do not like one another.
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Since I have not owned (or been owned more properly I think) other species, I am not sure what to tell you. A couple observations. They both love human interaction, although our male enjoys it more than our female, whom is experiencing a hormonal desire to find a nest. Our male is much more vocal than our female. They can be very quiet, and quite loud, and both quite spontaneously. Our male has a fuller vocabulary than our female, which I understand is common.
They love being out of their cages, and want to be out of their cages for a significant part of the day.
They love routines, and love to be a part of your routine.
Both can be skittish at times, and fly when spooked, our female more than our male, and often associated with new things bringing carried into a room where she is, especially if the things are brightly colored.
I would say that they prefer quieter households, and that loud noises make them nervous. We had some minor home remodeling a year ago, and they did not like the construction noises, even though we muffled it pretty well. Any neighbors' nearby construction sounds will put them on alert.
I am very much a novice owner here compared to so many other members here.
Good luck.
Jeb