ur unique plants and animals are one of the many reasons people visit our country. Australia has more than 27,700 plant species, 378 mammal species, 828 bird species, 4000 fish species, 300 species of lizards, 140 snake species, two crocodile species and around 50 types of marine mammal. However Australia is also home to some of the most dangerous plants and animals in the world. Our deadliest animals often make the top lists owing to a combination of their venom and defensiveness, as well as their proximity to populated areas. On the face of it, plants may seem innocuous, but about 1000 species of plants in Australia are known to be toxic to animals and humans and plenty more cause skin and eye irritation, rashes or discomfort. Dont wander around Down Under without learning about the 50 most dangerous, deadly and downright dastardly creatures that live here, from our scariest snakes and injury-causing insects to our blood-curdling birds. With animal fact-files, location information and more, Killer Oz is the perfect guide to deadly Australia.