Well since you've ruled out bird's nest, how about CV joints?
Try a little steering movement to see if that affects chirping although at this point I'm not sure you can rule out wheel bearing.


98 Mystique LS v6 atx 110,000km
97 Contour LX v6 atx 125,000km
stock CD on LS, cass on LX
spoiler, tinted windows on LS only
4 wheel discs on LX only
All other available options on both