Document ID: chunk:federal_register_of_legislation:F2025L00287:reg:3:p133
Version: federal_register_of_legislation:F2025L00287
Segment Type: reg
Provision Reference: reg 3 (pt 133/276)
Character Range: 524333–527317

future actions (such as captive breeding and translocation) may need to be undertaken in collaboration with the NSW Government as appropriate.

Recovery target
The recovery target is shown in Table 44.
Table 44 Recovery target for Christinus guentheri
EPBC Act status  Estimated population (2023)  Where known populations occur  2034 target
Vulnerable       176,000                      93% in the national park       Maintained numbers and range
                                              5% in public reserves
                                              2% in other lands

Relevant literature
Chapple D, Tingley R, Mitchell N, Macdonald S, Keogh JS, Shea G, Bowles P, Cox N & Woinarski J (2019) The Action Plan for Australian Lizards and Snakes 2017. CSIRO Publishing, Melbourne.
Cogger HG, Cameron EE & Sadlier RA (1979) The terrestrial reptiles of islands in the Norfolk Island complex. Unpublished report to the Australian National Parks and Wildlife Service, Canberra.
Cogger HG, Muir G & Shea G (2006) A survey of the terrestrial reptiles of Norfolk Island March 2005: Report 4. Assessment of the suitability of potential gecko re-introduction sites on Norfolk's main island and a review of threatening processes and recovery actions proposed in the draft Recovery Plan. Unpublished report to the Department of the Environment and Heritage, Canberra.
Halpin LR, Terrington DI, Jones HP, Mott R, Wong WW, Dow DC, Carlile N & Clarke RH (2021) Arthropod predation of vertebrates structures trophic dynamics in island ecosystems. The American Naturalist 198(4), 540–550.

Oligosoma lichenigerum—Lord Howe Island skink

Conservation significance
Endemic to the Norfolk Island Group and the Lord Howe Island Group.
EPBC Act Listing Status: Vulnerable
State Listing Status: Listed as Vulnerable under the Biodiversity Conservation Act 2016 (NSW).
Non-statutory Listing Status: Listed as Vulnerable under The Action Plan for Australian Lizards and Snakes 2017 (Chapple et al. 2019)
For further information on the species outside of the Norfolk Island Group, see the species profile on SPRAT.

Distribution
The Lord Howe Island skink (Oligosoma lichenigerum) was described in 1874 from Lord Howe Island and was first recorded on the Norfolk Island complex in 1978 (Cogger et al. 1993). On the Lord Howe Island Group this species is as widely distributed as the Lord Howe Island gecko (Christinus guentheri).
On the Norfolk Island Group this species has only been found on Phillip Island, despite considerable search effort on Nepean Island and on many of the small rocky islets (Cogger et al. 1979). The species is not as abundant as the Lord Howe Island gecko; for example, 10 specimens were encountered on Fisherman's Hut Rock on Phillip Island in 1979, during which time 285 geckos were also found (Cogger et al. 1979).
The population on Phillip Island is estimated to be large and secure, and the increase in suitable habitat since the removal of rabbits in 1986 suggests that