One female (the largest frog at the bottom right) for eight males...all keen to pass on their genes.
This is the Brown Tree Frog or Spot legged frog. You can hear their mating call around now, a rattling sound, like a small machine gun. The female spawns with a white frothy egg mass outside of the water, which later turns a darker brown and can often be seen above, around or floating near water bodies.
