Original: Following the death of Kasia , the last captive Leadbeater 's Possum , at Toronto Zoo in January 2010 ( the last Australian specimen held at Healesville Sanctuary having died in May 2006 ) , there are now no Leadbeater 's Possums in captivity anywhere in the world and so no breeding program to assist this animal 's survival .
Simplified: Following the death of the last Leadbeater 's Possum at Healesville Sanctuary Victoria in May 2006 , there are now no Leadbeater 's Possums in captivity anywhere in the world and so no breeding program to assist this animal 's survival .