Kelly visits David Flaey National Park to get up close to Wally the Platypus, whose poisonous spur could teach us about pain relief. She also visits a Bat Hospital, feeds crocodiles, and uncovers the secrets to the flying foxes' immune system and how it could help humans battle disease in the future. 02:50 - The Poisonous Platypus 12:15 - Crazy Crocodile Toxins 23:21 - Stealthy Sea Anemones 33:11 - Fantastic Flying Foxes The Platypus: Australia's Unlikeliest Killer (Wildlife Documentary) | Deadly Australia | Real Wild #RealWild #WildlifeDocumentary #Playtpus