Chirruping Wedgebill

The chirruping wedgebill (Psophodes cristatus) is a medium-sized member of the genus Psophodes, which consists or four to five songbirds endemic to Australia. Commonly found in low shrublands in south-eastern inland Australia, the species is distinguished by its distinctive, chirruping call. The chirruping wedgebill and chiming wedgebill (Psophodes occidentalis) were considered to be a single species until as late as 1973, when they were separated due to marked differences in their calls. == Taxonomy == John Gould originally described P. cristatus and P. occidentalis as one species (Sphenostoma cristatum), and this remained common practice until c. 1973. The separation of the species at that date was based mainly on differences in song and range. == Description == The chirruping wedgebill is a medium-sized bird, measuring approximately 18–21 cm and weighing 31-64 g. Its bill is dark and wedge-shaped when mature, and horn-coloured when immature. It possesses a slim upright crest, and long rounded tail. Adult plumage consists of pale brown upperparts, with white/pale grey underparts. Flight feathers are edged with white, and the tail is coloured dark black-brown with a white tip. Immature individuals possess similar plumage, the only key differences being buff-tipped flight feathers, unlike the white tips of…