Mascot of the Queensland rugby team (5)
I believe the answer is:
koala
'mascot of the queensland rugby team' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for koala that I've seen before include "Australian tree-climbing marsupial with grey fur and big ears" , "Tree-dwelling marsupial" , "Aussie gum-chewer?" , "Marsupial "bear"" , "Australian creature" .)