tail bobbing

yesterday i noticed my indian ringneck bobbing her tail like this I started panicking (it’s what I do best when I notice any changes in my parrot) today the bobbing wasn’t AS noticeable but i could see her tail shaking a bit.. she’s been her usual self (although showing more hormonal...

Hello! Does anyone know why my lovebird is doing this? Is this just a behavioural thing or does he have an illness? His tail moves up and down very fast like it’s vibrating and he would make clicking noises. He acts normal and is very active! Any thoughts? Thanks :)