Rare spotted-tail quoll discovered in Logan after scat found ThuThursday 11 Scat found on a Logan private property has confirmed the existence of rare spotted-tail quoll. ( Print text only Cancel The rare spotted-tail quoll has been discovered in Logan after more than a decade of searching to confirm the species' existence in the area. Key points: It is unknown how many of the species remain in the wild in Queensland Unconfirmed evidence of quolls was found last year at a property in Lyons, adjacent to Undullah During a Logan City Council flora and fauna survey, scat was collected on a privately owned property in Undullah in the city's west, which was sent to an independent laboratory for testing.