iHerp Australia Issue 9 | Page 41

Territory, Victoria, Queensland and New South known sightings and incursions, Matthew Mo Wales, with a number of known incursions in each of concludes his article with a discussion that also the last three mentioned states. contains an evaluation of possible control methods. These are hampered by the fact that upon any In Victoria, there have been reports of sliders in disturbance, Red-eared Sliders instinctively swim to Blackburn Lake since 2005, and three specimens the bottom and bury themselves deep in the mud. were captured up to 2013, with a similar number Luckily, the Queensland incursions were almost removed from Elsternwick Park Lake. Red-eared entirely limited to small farm dams, and effective Sliders were first control was achieved detected in Queensland by draining and in 2004, and since then de-silting to find the a number of populations buried sliders. Eradica- have been found – all tion is more difficult in but one in farm dams. watercourses and high Isolated specimens visitation sites, which have been found as far suggests that natural- afield as Bundaberg. In ised populations in the Sydney region there Sydney may be much have been sightings in a variety of locations. A more difficult to control, although basking traps in number of animals, including a gravid female, were particular offer some hope. Of course, it is also caught on a golf course in Woy Woy in the 1980s. possible that many other incursions have hitherto The existence of a breeding population in the gone unnoticed, but because Red-eared Sliders Yeramba Lagoon was confirmed by the capture of have a distinctive appearance that is quite different six females in 1997-8, together with evidence of to native species of freshwater turtles, it is hoped nesting and a further four males in 2008. Three that appeals for assistance from the public will bear sliders were recorded basking together in Lime Kiln fruit. Bay in September 2016, and in January of the same year two sliders were seen in Anzac Creek. Three It is obvious that this species has the potential to sliders have been observed together in Hacking very quickly develop into a major headache for NSW River at Audley, and at least two have been authorities in particular. captured in the Macarthur area. Five sliders have Reference & Further Reading: been taken from Centennial Parklands, and there have been at least 11 records of the species at this location since 2009. However, this is easily trumped Matthew Mo (2018) Red-eared Sliders Trachemys by an aggregation of 12 large sliders seen basking scripta elegans in southern Sydney, including new on a log in Rockdale Bicentennial Park in 2013! incursions. Australian Zoologist In-Press. https://doi.org/10.7882/AZ.2018.022 As well as compiling an invaluable synthesis of Top left: Red-eared Sliders are often found basking in numbers on exposed rocks or logs. Image by Elliotte Rusty Harold. Below: their distinctive appearance is quite different to any species of native Australian turtle. Image by Baishev .