Crocodile Hunter: Australia is the birthplace and final resting place of Steve Irwin the Crocodile Hunter. That also means that crocodiles are abundant in Australia. Some of the biggest crocodiles are known to man in the wild in Australia. Steve Irwin was a truly brave to try these things head man. There are two types of crocodiles in Australia, the Salwater crocodile and freshwater crocodile. Both are very aggressive.