Wow, with out finding their "home" I don't know of a way to get rid of them that wouldn't harm your birds. Sure hope someone else does? Can you re home them for a couple of days so you can spray your house? My DH uses a barn spray for the spiders in the basement twice a year. He opens the door down there and I close the vents upstairs where the birds are (he's only done it once since I had the birds)I have also told him he HAS to do it when it is warm outside so I can also close the door of the room my babies are in and open the windows.