About Eopsaltria georgiana (Quoy & Gaimard, 1830)
The white-breasted robin (Eopsaltria georgiana) measures 14.5 to 17.0 cm (5 3⁄4 to 6 3⁄4 inches) in length, with a wingspan of 22 to 25 cm (8 3⁄4 to 9 3⁄4 inches). Males weigh an average of 20.5 g (0.72 oz), while females are lighter at an average of 16.5 g (0.58 oz). Males and females have similar coloration: they have blue-grey upperparts, paler eyebrows, and whitish underparts. Their grey tail is tipped with white. Bills and feet are black, and eyes are dark brown. Individuals from the northern part of the species' range are smaller and darker grey than those from further south. Juvenile white-breasted robins are brownish. This species is found in Western Australia, ranging from south of Geraldton to the southwest corner of the Australian continent. Within this range, it is mainly restricted to two separate areas with distinct habitats. In the main southern part of its range, it occurs in the area bounded by Jarrahdale and Woorooloo on or east of the Darling Scarp, extending southeast to Beaufort Inlet. In this area, it lives in tall forest dominated by karri (Eucalyptus diversicolor), where it occupies dense undergrowth made up of species such as karri hazel (Trymalium odoratissimum subsp. trifidum), karri she-oak (Allocasuarina decussata), and nedik (Bossiaea aquifolium), most commonly along rivers and gullies. It also lives in dry sclerophyll forest containing karri, jarrah (Eucalyptus marginata), and bull banksia (Banksia grandis), where it resides in understory that is 2 to 3 meters high. The northern population occupies a narrow coastal band from Geraldton south to Yanchep National Park. Here, it lives in coastal thickets—often covered in dodder—of Acacia rostellifera, Acacia cyclops, and Melaleuca cardiophylla, that grow over sand dunes on limestone soils. The white-breasted robin is a sedentary species: pairs or small groups maintain permanent territories within their range.
