You could be right UKTitan, but you don't often get fertile eggs from hybrids, unless someone has crossed a CBT with something else.
But I think he/she has a too chunky leg for a blacktail.
The way its standing is like Orchardlady says, it does stand a bit like my Indian Game Cockerel, but of course the colouring is all wrong, so could it be a crossbreed Lizzie?