They found that unlike squirrels, which are poorly adapted to digesting fungi, the potoroo
is a fungi specialist.
With the discovery, and subsequent naming, of the Long-footed Potoroo
Potorous longipes in 1980, it was thought that Victoria now had three endemic species of mammal, this potoroo
, Leadbeater's Possum and the Smoky Mouse Pseudomys fumeus.
Typically 90% of male Sooty Owl diet comprises individuals with a body weight less than 300 g, which would only incorporate juvenile potoroos and bandicoots (Bilney et al.
One such species was the Long-nosed Potoroo Potorous tridactylus, of which only one juvenile was detected in the diet, and this is the first record of the species ever detected in the Sooty Owl contemporary diet (e.
chondrophila in an Australian mammal, Gilbert's Potoroo