The Internet Bird Collection seems to know about it.
From: John Penhallurick
Subject: [Birding-Aus] Australian Magpie
How many people are aware that the Australian Magpie has been transferred from Gymnorhina to Cracticus, as a result of Kearns, A.M., L. Joseph, and L.G. Cook (2013), A multilocus coalescent analysis of the speciational history of the Australo-Papuan butcherbirds and their allies, Mol.
Phylogenet. Evol. 66, 941-952.
So it's a Butcherbird!
Dr John Penhallurick
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