Clark (1990, 2005) says this is part of a dialect continuum with Dhauwurdwurrung S20.
Blake (2003) treats it as a dialect of the Warrnambool language S20 and Krishna-Pillay (1996) says it is a dialect of the same language as Keerraywoorroong S25.
Documentation on Dhauwurd Wurrung S20 may be relevant.
Nothing in AUSTLANG.
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Victorian Aboriginal Corporation for Languages
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).