IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

Grantiella picta is sparsely distributed from southern Victoria and south-eastern South Australia to far northern Queensland and eastern Northern Territory, Australia. The species is a vagrant to Western Australia, with the first published record of one in 2002 at West Kimberley (Schoenjahn 2003). The greatest concentrations, and almost all records of breeding, occur south of 26°S, on the inland slopes of the Great Dividing Range between the Grampians, Victoria, and Roma, Queensland (Higgins et al. 2001, Barrett et al. 2003). After April, birds migrate to semi-arid regions, including north-eastern South Australia, central and western Queensland and central Northern Territory. The only recent records from South Australia are from Gluepot station in 2000 (J. O'Connor in litt. 2008), and the species has also declined in abundance in western New South Wales, central Victoria and probably from north-central Queensland. The New South Wales population is estimated to be fewer than 2,000 pairs. Numbers in Queensland may be similar, but are poorly known. Much smaller numbers nest in Victoria (Garnett et al. 2011). The total population is unlikely to exceed 10,000 mature individuals (Garnett et al. 2011). The maximum documented count was 74 birds in 4 days of surveys in Culgoa floodplain, New South Wales (Oliver et al. 2003). During atlas surveys the reporting rate of this species has actually increased, but this is a result of more targeted searching for the species. The number of 10 minute grid cells from which it was reported has decreased from 164 in 1977-1981 to 142 in 1998-2003 and 90 in 2003-2008 (J. O'Connor in litt. 2008). In Queensland much suitable habitat was cleared historically (only 11% of the Acacia harpophylla/cambagei woodland remained in 1999), but annual rates of forest loss remained high at an estimated 5% in the late 1990s and early 2000s (Wilson et al. 2002). A similar trend is likely in New South Wales, but in Victoria forest has not been cleared as rapidly (P. Menkhorst in litt. 2008); therefore it is difficult to estimate an overall rate of decline.

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Source: IUCN

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