What is "woylie"

n. (context Australia English) A species of bettong, ''Bettongia penicillata''.

The woylie (Bettongia ogilbyi), also known as the brush-tailed bettong, is an extremely rare small marsupial that belongs to the genus Bettongia. It is endemic to Australia. Formerly it had two separate subspecies, B. p. ogilbyi and the now extinct B. p. penicillata.