Body colour says cock bird chest looks hen.
This might sound weird but possibly a hermaphrodite finch, have a read of this article
http://www.abc.net.au/science/news/stories/s818157.htm
I think I remember correctly Dr Tony Gestier, Vetafarm, saying he had to surgically sex a asiatic parrot recently which looked a cock?? but with a hen coloured beck??. .
Reminds me of a hit 70s song famous verse "looked like women talked like a man" Hint The Kinks.
Life in Port Macquarie is the ultimate Aussie sea change lifestyle.