I think she is a cuckoo
by Ian
(Brisbane, Australia)
I have never seen one of these around here before; Wynnum,Brisbane,Queensland,Australia.
It went from the fence to this tree then to the ground from what i could see. It then within a minute was in the large palm tree in the left of the pics.
The local noisy minors were not happy and were around it in force. I have not seen it since.