) Eastern bettongs return to NSW after 100-year absence in historic wildlife reintroduction project 13 July 2023 Eastern bettongs, a small hopping marsupial related to kangaroos, have been successfully reintroduced to Yiraaldiya National Park in New South Wales after an absence of more than a century. Once abundant in the coastal woodlands of New South Wales, the eastern bettong population suffered a devastating decline, mainly due to predation by foxes, leading to their extinction on mainland