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Figure 11 Relative frequency of broad taxonomic groupings of threatened animal species (including marine species) in Australia’s states and territories
One chart per region showing that birds and mammals are in general the largest categories and combined always make up half or more of the threatened species. More details in the text.

ACT = Australian Capital Territory; NSW = New South Wales; NT = Northern Territory; Qld = Queensland; SA = South Australia; Tas = Tasmania; Vic = Victoria; WA = Western Australia

Source: Reprinted from Biological Conservation, vol. 222, A Allek, AS Assis, N Eiras, TP Amaral, B Williams, N Butt, AR Renwick, JR Bennett, HL Beyer, The threats endangering Australia’s at-risk fauna, 172–179, 2018, with permission from Elsevier.

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Figure 12 Threatened Mammal Index for Australia for all threatened species to 2017, with baseline from 1995
Figure 13 Threatened Mammal Index for Australia to 2017, with baseline from 2000, for all threatened mammal species (a) at sites where there has been no known management (37 species); (b) at sites where there is known management of any kind (32 species); (c) at sites without introduced predators, including fenced areas and islands (17 species)
Three line graphs. The first shows that the index for mammals has decreased from 1 (by definition) in 2000 down to around 0.4 in 2018 at unmanaged sites. The second shows that, for managed sites, the index has increased to around 1.5, though the uncertain

Note: Blue shading represents the 95% confidence interval.

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Figure 14 Numbers and locations of the 20 most threatened mammal species
Figure 15 Threatened Bird Index for Australia to 2017, with baseline from 1985, for 50 threatened bird species for which monitoring data are available
Figure 16 Numbers and locations of the 20 most threatened bird species
Figure 17 Changes over time in the total abundance of waterbirds in the Eastern Australian Waterbird Survey, 1983–2018
Figure 18 Locations of the top 20 Australian snakes and lizards at risk of extinction
Figure 19 Northern corroboree frog
Figure 20 Locations of the 22 most imperilled fish species