Does Anyones Elses Bird Do This?

[LiveLolBrd]

I posted this video before as just something to watch but I am wondering WHY Princeton does it.
Anyone elses bird do it?

Where Are You? #parakeet #birds #animal #budgies #parrotb #funny #sad Cute #lanaslittleflyers

www.youtube.com

Sorry it's a little crazy a the beginning but it IS a youtube video.

 

[Mizzely]

It's a nesting instinct

 

[LiveLolBrd]

It's a nesting instinct

Does that mean Princeton's a girl? Or do boys do that as well?

 

[Peachfaced]

Cavity seeking is done by both males and females.

It’s hard to tell the cere color from the video.