This week on Flightless Bird, David Farrier investigates why American opossums are so different to New Zealand possums. Speaking of which - why does one have an “O” in front of them? To find answers, David meets up with a possum called Horace, and learns that contrary to popular opinion possums are not related to rats. In fact possums have many amazing traits including being pretty much immune to rabies, being living fossils, and masters at playing dead. While New Zealand possums are terrible for the environment, the possums Farrier discovers in LA are very different beasts.