The latest revision of the IOC taxonomy list has been posted on their site
www.worldbirdnames.org/updates/
the new list is currently in draft form and becomes effective from 27 July
2018.
As far as Australia is concerned the Western Whipbird has been split into
White-bellied Whipbird (P. leucogaster – from SA) and Black-throated
Whipbird (p. nigrogularis – from WA)
The new list has also revised the taxonomical order for Cuckooshrikes and
Grassbirds. I am not sure what the actual effect (if any) on Australian
lists will be. I have been unable to download the draft spreadsheet
(hopefully they will correct this within the near future).
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