swelling

Hello Parrot Family, I have a yellow-sided green cheek conure, female, 2 yrs old. And I recently noticed that she has this bump swell on her right lower eyelid (pics attached). It will swell up at times and then go back down after a while. I took her to the avian vet but they said it didn't...

Good day everyone, I‘m new to this forum and I‘m seeking your help because I‘m unsure of what to do. My cockatiel Tweety is seemingly fine, but there is a red swelling on the bald spot of his head. When I look into it, it looks more like an inverted feather that is trying to break free... but...