Why many Poisonous Snakes in Australia?

[Koichi Ito]

What reason for so many Poisonous Snakes in Australia? For example there ara Taipans, Tiger Snakes, King Brown Snakes, Death Adders, Brown Snakes, and Black Snakes to name some. There are no reason to have poisonous snakes, what its good for? And what makes Australian Poisonous Snakes special?

[Guest]

Because it is a hot climate country which means snakes will live they are used to that type of temperature.