I believe
they are a two races of one species. I saw a perfect "Golden-backed" just north
of Brisbane, where Black-chinned are meant to occur, a few years back. Clements lumps them and he
is generally a splitter.
Tim Murphy
G'day G.L. Cromton
Golden-backed are a race of the Black-chinned ...
at the moment
But Christides & Boles wrote in their
Taxonomy of Aust Birds that " they would probably be split
again" for their next edition (whenever that is ! )
Regards from Bob Forsyth Mount Isa, NW
Qld.
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