What are the differences between extinct endangered and threatened?

Threatened animals are ones that are legally listed as susceptible to becoming endangered - the animals are becoming more rare because of attributable factors determined by scientific studies. Species of concern is a species that may sometime in the future become threatened but that requires more study.

More information about this is:

They are species, populations and ecological communities that are considered by the NSW Scientific Committee to be at risk of extinction in the immediate to medium-term future in NSW. Together this information is described as 'threatened'.