. Both the male and female excavate a tunnel 6–122 cm long and a nesting chamber 10–12.7 cm deep, 6.3–10 cm wide and 14.0 cm high. This can be found in a range of locations, including sandy banks, gullies, cuttings, sand dunes, sand cliffs or piles of sand and soil . Red-browed pardalotes may also excavate the burrows of kangaroo rats (Potoroidae), hopping mice (Notomys) and bilbies (Macrotis lagotis) . They occasionally nest in tree hollows, spouts or hollow branches , . A bird was once recorded nesting halfway down an iron pipe that was set upright in the ground . Nests may be constructed of strips of bark, horsehair and are lined with fine grass or bark and shaped into a rounded cup within the excavated chamber , . A clutch of up to four white, oval, semi-glossy eggs measuring 19mm x 15 mm are laid . The incubation period is unknown, however both sexes incubate the eggs. Chicks are altricial and are fed by both adults . Conservation status The International Union for Conservation of Nature (IUCN) has categorised the red-browed pardalote as a species of least concern. Although its population size has not been quantified, the species is common throughout its range, and its population is considered to be stable. References External links Red-browed pardalote species fact sheet from BirdLife International Red-browed pardalote distribution map, song recording and egg pictures from the Atlas of Living Australia red-browed pardalote Endemic birds of Australia red-browed pardalote