Let me add one more thought. So far everything is spot on. But there is one more thing to consider, that is that it is to quite. Quite means danger, so your little guy is making noise to let you know everything is ok
If you have a CD player put some soft instrumental music on and see is that might help. So times my guys will have a bug up there butt and start to go nuts. I put on some native American flute music on and all is good.
I go further with this and reserve certain types of music for certain meanings. I actually use youtube (thru the roku) for most of it.
Originally:
Leaving for work - tv Off, CLASSICAL RADIO on. This was because, although I dont hate classical... I apparently dislike it somewhat; if it is on for a little while, i will just reach and turn it Off. So, I Never Played Classical if I was home. Also only turned on for Work -- in other words, Classical music means I will be Gone for More than 8 hours.
At home, puttering around - various types of relaxing or fast-paced background music on youtube with various backgrounds. OR maybe I'm watching something, etc.
Going Out for Errands. Or, maybe, still in the house but I might be in-n-out of their room, downstairs, kitchen for long times, etc. AQUARIUM Videos with music on Youtube, long-running with music.
I still do these, except, no leaving 8+ hours to go to work. (So, no Classical.) When working at home, I put on a playlist of Budgie Videos which Jefferson adores. At night I put on videos of sleep-sounds. (when I come in the room, I switch it to tv - then when I go to bed, back to sleep-sounds.)
I really think this contributes to their happiness. Birds are little Control Freaks, and calming background noises, that tell them what's going on, are really helpful.