Which is more aggressive a female parrotlet or a male?

Question

Which is more aggressive a female parrotlet or a male?

Answer 1

Female

Answer 2

females are usually more aggressive than males  in most birds...

Answer 3

a female

Answer 4

I don't own one, but I'd think that a male would be more aggressive, because males guard their territory and their mates.

Answer 5

a female is more aggressive