The latest on it headed my original post as per below gwh.
I have looked for the source with no luck so far. I think I read it in one of the local Gov Dept mail outs that`s gone into the wood stove.

DNA studies on dingoes

Show that what we see as "non pure" are actually just about pure Dingoes.
I read up on it in either a Parks Vic or a DELWP brochure a month ago.