I have a Green-cheeked conure for exactly two years now.
In the last year, a large number of feathers lost their green or blue color, and I thought it was because of a bad mistake of not buying new pellets ahead of time, which led to him eating only seeds for five days exactly at the time of motling.
After some reading I got to the conclusion I'll probably have to wait another year for the feathers to fall off and grow again, but the diet and environment conditions are satisfying.
However, I'm afraid other things aren't OK. He's diet is actually pellets-only and seeds once or twice a week (he doesn't like fruits & vegetables except apples), he has a very large cage compared to most green-cheeks, and he's always happy and playful.
Is there anything else I should look for or change in the treatment of him? In the first year his feathers were so colorful and bright and I just can't find any clue to something being inappropriate.