This good-looking fella is the one to watch out for:

https://perthzoo.wa.gov.au/PerthZooWebsite/media/PerthZoo/All%20Images/Tiger-Snake_1200px.jpg

Only fourth in the world for venom, but Tigers make up for it with curiosity and attitude.

We had a few come around when I was a kid. Makes a trip to the wood shed exciting!