All species of the bettong are nocturnal. Ectomycorrhizal fungal sporocarps are the staple diet of the northern bettong. The park is important as a preserve of the northern bettong, an endangered species. Flat was the eastern bettong ("bettongia giamardi") in 2012. The endangered Brush-tailed Bettong has been introduced to the island. The Nullarbor dwarf bettong, Bettongia pusilla, was a potoroine marsupial that occurred in Australia. The bettong is a solitary and faces major threats. This bettong exhibits a slow gait and fast gait. The typical bettong lives in the wild for about 4 to 6 years. Other rare animals include the yellow-bellied gliders and brush-tailed bettong. The rufous bettong is about the size of a full-grown rabbit. Bettong, species of the genus Bettongia, are potoroine marsupials once common in Australia. This bettong is yellow-gray above and light gray below. Notable mammals include northern bettong, yellow-bellied glider, spotted-tailed quoll and spectacled flying-fox. Like other bettongs, the eastern bettong is a continuous breeder, producing young throughout the year.