The Bundiyarra Aboriginal Community Aboriginal Corporation web site lists Byro (A113) among 'some of' the Wajarri / Wadjarri A39 dialects, the others being Birdungu A40, Nharnu A115, Nhugarn A71, Mileura A114 and Ngunuru A112. Marmion (1996:6-7) does not include Byro Wajarri in his description of Wajarri A39 dialects. Marmion (2015 p.c.) notes that in more recent times Wajarri varieties have been referred to by station names in the area, such as Byro station and Mileura station, leading to some names existing in parallel with older names. He says that Byro Wajarri is probably equivalent to Nhugarn A71.
Byro station (Elefsiniotis 2007 p.c.)
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Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).