The Western Hemisphere is not only the origin of corn, potatoes, and tomatoes, but also squash and pumpkins. Carrots, probably purple at first, were from Afghanistan. Beans are thought to have been found in both the Western Hemisphere and the Mid-East. Onions have been cultivated in Asia for thousands of years.
The ring neck snake is mildly venomous, but don't worry, it uses the venom to kill frogs, worms, pill bugs, and lizards. The venom though is to mild and delivered in too low a dose to harm a human. Ringneck snakes secrete a foul smelling odor when frightened.
Pretty much anything from the taxonomic family Elapidae (front-fanged snakes) is venomous, and we have about 100 species of aquatic and terrestrial elapids in Australia. Not all of them are dangerously venomous, and surviving envenomation depends on a number of factors. Learn how before you have to deal with it.