Data for the analysis of number of males involved in matings of the Australian quacking frog Crinia georgiana. The columns mean: Study site (MS = Melville Street in Albany, WA; BS = Burt Street in Albany, WA; WB = William Bay; HF = swamp near the Hockey Field in Albany, WA; KG = Kangaroo Gully), quadrat ID, number of males involved in the mating, and male density