Probably Clade B of Zimkus et al., 2010, based on locality.
Diminutive size, hidden tympanum, rudimentary webbing with no expanded toe or finger tips, rusty coloured upper arm, banded back of thigh and crucially, black throat of breeding male.
Diminutive size, hidden tympanum, indistinct parotids, underside colouration unique.
Need help for id.