Ive been toying with that idea too, but I wanted something a bit more substantial than the garden solar light. I was thinking along the lines of a solar panel that would sit on the roof and a light that would hang inside. However I dont want something that looks like it can light up the Taj Mahal, or that would cost the same,

just a night light look. That way I could get a night light in the aviary and add live food.
At least this moth trap is cheap and zero working parts
Ill continue looking for a cheap solar night light solution.