Plains-wanderer

The Plains-wanderer (Pedionomus torquatus) is an extraordinary bird that defies easy categorisation. It looks superficially like a buttonquail but is not closely related to them — it occupies its own monotypic family Pedionomidae and its nearest relatives are thought to be the jacanas and sandpipers of the shorebird group. This makes it one of the most evolutionarily distinct birds in Australia.

Plains-wanderers are small (around 15–19 cm), secretive birds that inhabit sparse native grasslands — specifically the open, stony, sparsely vegetated plains that characterise the floodplains and interfluvial areas of the western slopes and Riverina of NSW, Victoria, and southern Queensland. They are highly cryptic, relying on camouflage and a tendency to crouch motionless in sparse ground cover.

The female Plains-wanderer is larger and more brightly coloured than the male — a reversal of the usual bird pattern — and takes an active role in courtship while the male incubates eggs and raises the young (polyandry). This role reversal, combined with the bird's ancient lineage and specific habitat requirements, makes it a remarkable study in avian evolution.

The species has declined catastrophically since European settlement. Conversion of native grassland to cropland and improved pasture, combined with overgrazing, drought, and the suppression of natural fire regimes that kept grassland structure open and suitable, has reduced the population to an estimated fewer than 1,000 birds, largely confined to a few sites around Hay in NSW, the Riverina, and nearby Queensland grasslands.

Finding a Plains-wanderer requires either a guided survey with local knowledge or significant patience and a night spotlight — birds are most active and visible in low ambient light.