[PowerBBS]

Even when my fids are inside their cages for just a few hours, I leave on a radio or TV so that they can at least have that to entertain them instead of plain silence.

Ask you family to sit with the cages/birds. Even if it's not you, they do love to be with others rather than alone. Chew toys are a good idea now, since you say they may not get out of the cage until you return. This will give them something to do with their time.

I've actually made voice recordings of my voice for my fids and a custom Mix cd and put it into a cd player on repeat entire cd mode and left that for my fids (of course, turning it off at night - I actually have an application on my computer - which is in the bird room - that takes care of when to play music, voice and when not to).

However, the norm is that sometimes they may spend a day or two without you and there's no time like the present to introduce them to that. Bewarned, they can get cranky when you come back (our gcc used to get P/O'd when we left for more than one working day).