 The construction of the nest varies in form, resembling a bottle or retort, spherical or globular, with a long and narrow entrance that often faces downward.The external size of this nest range 160–195 mm in height, a width of 120–104 mm, and total length of 220–320 mm.The material used for construction of the nest is mostly fresh grass stems, clipped at the base and held vertically in the bill of the male for delivery to the female who builds the nest.