its a transparent balloon type material with odd pale yellow balls inside im really worried i dont know what to do i cant really afford a vet right now but im very concerned i need consultation with someone who has any experience with this please!!! its kinda beating but im not sure if its due to her breathing or not... its at the back of her neck right above her wing please!!!!! help! ive provided the video below

Didi you identify the problem? My budgies have the same problem