Oates (1975:293, 383) says that this is an alternate name of Gugu Bera Y85, while Tindale (1974) says that it is a name used by neighbouring language groups for Kokopera Y85. See and use Y85: Koko Bera
... coast south of Nassau River, Q (Oates & Oates 1970:203).
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).