[0]: https://www.reddit.com/r/parrots/comments/7itlyx/can_budgies...
[0]: https://www.reddit.com/r/parrots/comments/7itlyx/can_budgies...
I think RGB displays are fine for this particular purpose.
- other budgies
- my green cheek conure (who isn't sure what they're doing exactly, but still tries to humor them)
- cuttlebones
- my fingers and tip of my nose
- my wife
- various parts of their cage
- toys
Honestly, I think budgies are happy go lucky little birds that like to play with anything and everything
Our avian medicine professor said that budgies will get frustrated from trying to socialize with plastic birds or people. How bad you think this is is up to you. I'd compare it with an immigrant in a country with extremely different culture and language. And it's worse because birds can't relearn certain innate things.