For your info

The information boards (in the middle of the hoons' would-be racing track!) gave some history of the park and indicated the various animals we spot:-

http://www.environment.nsw.gov.au/NationalParks/parkCamping.aspx?id=N0010

Of course, one of the main reasons for choosing the Mill Creek camping area above a couple of other choices (within similar distance to home) was the chance of seeing wombats!