Before the council cut down the gum tree, they used to deliberately drop branches on me when I was outside. Any they could bite through, up to maybe 1.5cm thick, they would wait until I walked around the car then drop them on my head, and scream their heads off. Crafty bastards

I've seen aussie birds seek out and reposition thrown out empty energy drinks to finish off the last few drops. Apparently they act just young teenagers in many ways.

There is a post here about Kea and it links to a video of them moving traffic cones on the road, which messes with traffic.

It is very much like teenage behaviour.

It's not really crazy. Parrots can like or hate you. That's why they can be a terrible pet.